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From: Subject: Network Operations - Acronyms Date: Mon, 9 Jul 2001 14:26:18 +0100 MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_000_0000_01C10883.20E9DD60"; type="text/html" X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6600 This is a multi-part message in MIME format. ------=_NextPart_000_0000_01C10883.20E9DD60 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Content-Location: http://www.network-operations.freeserve.co.uk/acronym/tootka.htm Network Operations - Acronyms

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ACRONYMS - "TOOTKA"


2D
2-Dimensional
3ACC
3A Central Control
3D
3-Dimensional
3M
Minnesota Mining and Manufacturing
4GL
Fourth Generation Language
4H
Head, Heart, Hands, Health
5XBCOER
5 X-Bar Central Office Equipment Reports system, "5XB = COER"
A
Aftermath
AA
Administrative Assistant
AA
Affirmative Action committee
AA
Alcoholics Anonymous
AA
American Airlines
AA
Antiaircraft Artillery
AA
Associate in Accounting
AA
Astronomy and Astrophysics, "A&A"
AA
Automobile Association (in England)
AAA
American Automobile Association
AAA
Anti-Aircraft Artillery
AAAAAA
Association for the Abolition of Abused Abbreviations and = Asinine=20 Acronyms
AAAL
American Academy of Arts and Letters
AAAS
American Association for the Advancement of Science
AAII
American Association of Individual Investors
AAMSI
American Association for Medical Systems Informatics
AAO
Anglo-Australian Observatory
AAP
Affirmative Action Program
AARC
Anglo-American Cataloging Rules
AARP
Appletalk ARP
AAS
American Astronomical Society
AAS
Atom Absorption Spectrometry
AAVSO
American Association of Variable Star Observers
AAX
Automated Attendant eXchange
AB
Able Bodied seaman
ABA
American Bar Association
ABA
American Basketball Association
ABA
American Booksellers Association
ABATS
Automatic Bit Access Test System
ABBR
ABBReviation
ABC
American Broadcasting Company
ABEL
Advanced Boolean Expression Language (a Data-I/O = Trademark)
ABHC
Average Busy Hour Calls
ABI
American Bell Inc
ABI
Application Binary Interface (SunOS and SV application sw=20 interface std)
ABM
Asynchronous Balanced Mode
ABS
Acrylonitrile Butadiene-Styrene (plastic)
ABS
Alternative Billing Service
ABS
American Bureau of Shipping
ABS
Anti-Blocking System
ABSBH
Average Busy Season Busy Hour
AC
Access Control
AC
Adaptive Control
AC
Alternating Current (ac, see also DC)
AC
Answer Center (Sun)
AC
Ante Christum (before Christ)
AC
Ante Cibum (before meals)
ACAA
Agricultural Conservation and Adjustment = Administration
ACAWS
Advisory, Caution, And Warning System
ACB
Annoyance Call Bureau
ACBL
American Contract Bridge League
ACC
Argonne Code Center
ACC
Audio Communications Controller
ACCRA
American Chamber of Commerce Research Association
ACCS
Army Command and Control System
ACCS
Automated Calling Card Service
ACCT
Account
ACD
Automatic Call Distributor [telephony]
ACDA
Automatic Call Disposition Analyzer
ACE
Advanced Composition Explorer
ACE
Advanced Computing Environments [Corporate name]
ACE
Automatic Calibration and Equalization
ACE
Automatic Calling Equipment
ACF
Advanced Communications Functions
ACH
Attempt per Circuit per Hour
ACHEFT
Automated ClearingHouse Electronic Funds Transfer
ACIA
Asynchronous Communications Interface Adapter
ACK
ACKnowledge
ACK
Amsterdam Compiler Kit
ACL
Access Control List
ACL
Advanced Cmos Logic
ACLU
American Civil Liberties Union
ACM
Access Control Machine
ACM
Association for Computing Machinery
ACO
Acronym Control Officer
ACOF
Attendant Control Of Facilities
ACP
ACtion Point
ACRNEMA
a medical imaging standard, "ACR/NEMA"
ACRONYM
Another Cryptically Rendered Obfuscatory Narrative = Yielding=20 Meaning
ACRV
Assured Crew Return Vehicle (or) Astronaut Crew Rescue = Vehicle
ACS
Advanced Communications System
ACS
Australian Computer Science
ACSE
Association Control Service Entity (ISO/CCITT layer 7)
ACSNET
Acedemic Computing Services NETwork
ACSU
Advanced t-1 Channel Service Unit
ACTPU
ACTivate Physical Unit (SNA)
ACTS
Advanced Communications Technology Satellite
ACTS
Automated Coin Toll Service
ACTS
Automatic Coin Telephone Service [telephony]
ACTUP
AIDS Coalition To Unleash Power, "ACT UP"
ACU
Alarm Control Unit
ACU
Automatic Calling Unit
ACW
Alternating Continuous Waves
ACWP
Actual Cost of Work Performed
AD
Addendum
AD
After Date
AD
Analog to Digital converter, "A/D" (see ADC)
AD
Anno Domini (in the year of our Lord)
AD
Application Development
ADA
Air Defense Artillery
ADA
Alternate Delay Accumulation
ADB
A DeBugger
ADB
Apple Desktop Bus
ADC
Analog to Digital Converter
ADCCP
Advanced Data Communications Control Procedure
ADCI
Automatic Display Call Indicator
ADD
Advanced Dungeons & Dragons, "AD&D"
ADDCP
Advanced Data Communication Control Procedure
ADEW
Andrew Development Environment Workbench
ADF
Automatic Direction Finder
ADFRF
Ames-Dryden Flight Research Facility (was DFRF) (NASA)
ADI
Acceptable Daily Input
ADI
Anolog Device Inc
ADM
ADMiral
ADM
Additional Dealer Markup
ADM
Advanced Micro Devices
ADMD
Administration Management Domain
ADN
Abbreviated Dialing Number
ADP
Adenosine Di-Phosphate
ADP
Administrative Data Processing
ADP
Advanced Data Processing
ADP
Automatic Data Processing
ADPCM
Pulse Code Modulation with Adaptive Quantization
ADS
Advanced Digital System
ADS
Application Development System
ADS
Audio Distribution System
ADS
Automatic Voice System
ADS
Auxilary Data System
ADSP
AppleTalk Data Stream Protocol
ADSR
Attack Decay Sustain Release
ADT
Abstract Data Type
ADT
Atlantic Daylight Time
AE
Application Entity/Environment/Execution/Engineering = (APE)
AEA
American Electronics Association
AEA
Atomic Energy Authority
AEC
Architectural Engineering Construction
AEC
Atomic Energy Commission
AEF
American Expeditionary Force (see BEF)
AEGIS
Advanced Electronic Guidance and Instrumentation = System
AES
Application Environment Specification
AF
Address Family (sockets)
AF
Adventures in Fantasy
AF
Air Force
AF
Audio Frequency
AFACTS
Automatic FACilities Test System
AFADS
Automatic Force Adjustment Data System
AFATDS
Advanced Field Artillery Tactical Data System
AFB
Air Force Base
AFC
American Football Conference
AFC
Automatic Frequency/Flight Control
AFCAC
Air Force Computer Acquisition Center
AFCC
Air Force Communications Command
AFGE
American Federation of Government Employees
AFI
Authority and Format Identifier
AFIPS
American Federation of Information Processing = Societies
AFL
American Federation of Labor
AFL
American Football League
AFLCIO
American Federation of Labor; Congress of Industrial=20 Organizations, "AFL-CIO"
AFM
Adobe Font Metrics
AFNOR
Association Francaise de NORmalization
AFP
Appletalk Filing Protocol
AFS
Andrew File System
AFSC
Air Force Systems Command
AFSCME
American Federation of State, County and Municipal = Employees
AFSK
Automatic Frequency Shift Keying
AFTRA
American Federation of Television and Radio Artists
AFUU
Association Francaise des Utilisateurs d'Unix
AG
Adjutant General
AG
Arcade Game
AG
Attorney General
AGCT
Army General Classification Test
AGL
Above Ground Level
AGM
Air-to-Ground Missile
AGN
Active Galactic Nucleus
AGU
American Geophysical Union
AH
Artificial Horizon
AH
Avalon Hill (major war game manufacturer)
AHA
American Homebrew Association
AHL
American Hockey League
AHQ
Air HeadQuarters
AI
Allegheny International
AI
Amnesty International
AI
Anal Intrusion
AI
Artificial Insemination
AI
Artificial Intelligence
AI
Attitude Indicator
AIA
American Institute of Architects
AIA
Application Integration Architecture
AIAA
American Institute of Aeronautics and Astronautics
AIC
Automatic Intercept Center
AICC
Automatic Intercept Communications Controller
AID
Agency for International Development
AIDDE
Ames' Interactive Dynamic Display Editor
AIDS
Acquired ImmunoDeficiency Syndrome
AIM
Air Interception Missile
AIM
Airman's Information Manual
AIMS
Advanced Inventory Management System
AIOD
Automatic Identification Outward Dialing
AIPS
Astronomical Image Processing System
AIS
Action Item System
AIS
Automatic Intercept System
AIX
Advanced Interactive eXecutive (unix)
AJ
Astronomical Journal
AK
Alaska
AKA
Also Known As
AL
Alabama
AL
American League (baseball)
ALA
American Library Association
ALA
Automobile Legal Association
ALAP
AppleTalk-LocalTalk Link Access Protocol
ALBM
Air-to-Land Ballistic Missile
ALBO
Automatic Line BuildOut
ALC
Automatic Load Control
ALEXIS
Array of Low Energy X-ray Imaging Sensors
ALFA
Anonima Lombarda Fabbrica Automobili
ALFE
Analog Line Front End
ALGOL
ALGorithmic Oriented Language
ALI
Automatic Location Indentification
ALIT
Automatic Line Insulation Testing
ALM
Asychronous Line Module
ALM
Asynchronous Line Multiplexer
ALPO
Association of Lunar and Planetary Observers
ALRU
Automatic Line Record Update
ALS
Advanced Launch System [Space]
ALS
Automated List Service
ALU
Arithmetic Logic Unit
AM
Administrative Module
AM
Agricultural and Mechanical, "A&M"
AM
Air Marshal
AM
Alpes-Maritimes, "A.-M."
AM
American, "Am."
AM
Americium, "Am"
AM
Amplitude Modulation
AM
Ante Meridiem, "a.m." (before noon)
AM
anno mundi (in the year of the world)
AMA
American Medical Association
AMA
Association for Model Aviation
AMA
Automatic Message Accounting
AMACS
Automatic Message Accounting Collection System
AMARC
Automatic Message Accounting Recording Center
AMASE
Automatic Message Accounting Standard Entry
AMAT
Automatic Message Accounting Transmitter
AMATPS
Automatic Message Accounting TeleProcessing System
AMBA
Association of Master of Business Administration
AMC
Albany Medical College
AMD
Advanced Micro Devices [Corporate name]
AMERITECH
AMERican Information TECHnologies
AMEX
AMerican EXpress
AMI
American Micro System Inc
AMORC
Ancient Mystic Order Rosae Crucis
AMP
Adenosine MonoPhosphate
AMPAS
Academy of Motion Picture Arts and Sciences
AMPS
Advanced Mobile Phone Service
AMRAAM
Advanced Medium Range Air-To-Air Missile
AMROC
American Rocket Company [Space]
AMSAT
radio AMateur SATellite corp.
AMT
Active Memory Technology
AMU
Atomic Mass Unit
AMVET
AMerican VETeran
AN
Associated Number
ANA
American Nurses Association
ANA
Automatic Number Announcement
ANAC
Automatic Number Announcement Circuit [telephony]
ANC
All Number Calling [telephony]
ANC
American Network Communications
ANC
Army Nurse Corps
ANDF
Architecture-Neutral Distribution Format
ANF
Automatic Number Forwarding
ANG
Air National Guard
ANI
Automatic Number Identification [telephony]
ANIF
Automatic Number Identification Failure
ANL
Argonne National Laboratory
ANOVA
ANalysis Of VAriance
ANPA
American Newspaper Publishers Association
ANSI
American National Standards Institute
ANU
Australian National University
ANZUS
Australia, New Zealand, United States
AO
Account Of
AOA
Abort Once Around (Shuttle abort plan)
AOCS
Attitude and Orbit Control System
AOL
Absent Over Leave (see AWOL)
AOP
Annual Operating Plan
AOPA
Aircraft Owners and Pilots Association
AOQ
Average Outgoing Quality
AOS
Academic Operating System
AOS
Alternate Operator Service [telephony]
AOSS
Auxilliary Operator Service System
AOW
Asia and Oceania Workshop
AP
Accounts Payable, "A/P"
AP
Additional Premium
AP
All Points
AP
Application Process
AP
Associated Press
AP
Attached Processor
APA
All Points Addressable
APB
All Points Bulletin
APC
AMARC Protocol Converter
APDA
Apple Programmers and Developers Association
APDU
Application Protocol Data Unit
APE
APplication Engineering
APG
Aberdeen Proving Ground
API
American Petroleum Institute
API
Application Program(ming) Interface
APICS
American Production and Inventory Control Society
APJ
Astrophysical Journal, "Ap.J", "ApJ"
APL
A Programming Language
APM
Attached Pressurized Module (a.k.a. Columbus)
APO
Alpha Pi (?) Omega, service fraternity
APO
Army Post Office
APP
Application Portability Profile
APPC
Advanced Peer-to-Peer Communications
APPC
Advanced Program-to-Program Communication (IBM)
APR
Annual Percentage Rate
APS
Automatic Protection Switch
APSE
Ada Programming Support Environment
APT
Attached Proton Test
APU
Auxiliary Power Unit
AQ
Accumulator-Quotient register
AQL
Acceptable Quality Level
AR
Accounts Receivable, "A/R"
AR
Address Register
AR
Alarm Report
AR
Arkansas
ARAMIS
American Rheumatic Arthritis Medical Information = System
ARC
Advanced RISC Computing
ARC
American Red Cross
ARC
Ames Research Center (NASA)
ARC
Audio Response Controller
ARCNET
Attached Resource Computer local area NETwork
ARCO
Atlantic Richfield COmpany
ARIS
Audichron Recorded Information System
ARLL
Advanced Run-Length Limited encoding
ARM
Acorn Risc Machine
ARM
Adjustable Rate Mortgage
ARM
Annotated Reference Manual
ARO
After Receipt of Order
ARP
Address Resolution Protocol (Internet->Ethernet)
ARPA
Advanced Research Projects Agency (of the DoD, see = DARPA)
ARPANET
Advanced Research Projects Agency NETwork
ARQ
Automatic Repeat reQuest
ARRL
Amateur Radio Relay League
ARS
Alternate Route Selection
ARSA
Airport Radar Service Area
ARSB
Automated Repair Service Bureau
ARTCC
Air Route Traffic Control Center
ARTEMIS
Advanced Relay TEchnology MISsion
ARU
Audio Response Unit
ARV
American Revised Version
AS
Anglo-Saxon
ASA
Acetyl Salicylic Acid
ASA
American Standards Association (now ANSI)
ASA
Astronomical Society of the Atlantic
ASAIGAC
As Soon As I Get A Chance
ASAP
As Soon As Possible
ASC
Accredited Standards Committee
ASC
Additional Sense Code
ASCAP
American Society of Composers, Authors, and Publishers
ASCC
Automatic Sequence-Controlled Calculator
ASCII
American Standard Code for Information Interchange
ASCQ
Additional Sense Code Qualifier
ASDIC
Anti-Submarine Detection Investigation Committee (British = for=20 sonar)
ASDSP
Application-Specific Digital Signal Processor
ASG
Automated Sciences Group
ASHRAE
Amer. Soc. of Heating, Refrigerating and Air-cond. = Engineers,=20 inc.
ASI
Agenzia Spaziale Italiano
ASI
Asynchronous SCSI Interface
ASI
Automatic System Installation
ASIC
Application Specific Integrated Circuit
ASIS
Aromatic Solvent Induced Shift
ASK
Akademische Software Kooperation
ASK
Amplitude Shift Keying
ASM
American Society of Metals
ASME
American Society of Mechanical Engineers
ASN
Abstract Syntax Notation
ASN1
Abstract Syntax Notation One, "ASN.1"
ASOC
Administrative Service Oversight Center
ASP
Aggregated Switch Procurement
ASP
Appletalk Session Protocol
ASPEN
Automatic System for Performance Evaluation of the = Network
ASR
Airport Surveillance Radar
ASRM
Advanced Solid Rocket Motor
ASRS
Aviation Safety Reporting System
ASSR
Autonomous Soviet Socialist Republic
AST
Applied System Technology
AST
Asyncronous System Trap
AST
Atlantic Standard Time
ASTM
American Society of Testing and Materials
ASV
American Standard Version
AT
Access Tandem
AT
Advanced Technology
AT
Atlantic Time
ATA
AT Attachment
ATA
Airport Traffic Area
ATA
Automatic Trouble Analysis
ATACC
Advanced Tactical Air Command Central
ATB
Advanced Technology Bomber (stealth bomber)
ATB
All Trunks Busy
ATC
Air Traffic Control
ATC
Atsugi Technical Center
ATC
Automatic Transmission Control
ATDRS
Advanced Tracking and Data Relay Satellite
ATE
Automatic Test Equipment
ATF
Advanced Technology Fighter
ATH
Abbreviated Trouble History
ATI
Automatic Test Inhibit
ATIS
Atherton Tools Interface Specification
ATIS
Automatic Terminal Information Service
ATIS
Automatic Transmitter Identification System
ATK
Andrew ToolKit
ATLAS
Atmospheric Laboratory for Applications and Science
ATM
Adobe Type Manager
ATM
Amateur Telescope Maker
ATM
Asynchronous Transfer Mode
ATM
Automatic Teller Machine
ATM
Asynchronous Transfer Mode
ATMS
Automated Trunk Measurement System
ATN
Automated Test Network
ATO
Abort To Orbit (Shuttle abort plan)
ATOMS
AT&t Optimized Materials Simulator
ATP
Adenosine TriPhosphate
ATP
Airline Transport Pilot (highest grade of pilot = certificate)
ATP
All Tests Pass
ATP
Appletalk Transaction Protocol
ATP2
AppleTalk Phase 2
ATPCO
Airline Tariff Publishing COmpany
ATR
Alternate Trunk Routing
ATR
Apollo Token Ring
ATRS
Automated Trouble Reporting System
ATS
Automated Test System
ATT
American Telephone & Telegraph, "AT&T"
ATTC
Automatic Transmission Test and Control circuit
ATTCOM
American Telephone & Telegraph COMmunications
ATTIS
American Telephone & Telegraph Information Systems
ATV
All Terrain Vehicle
AU
Arithematic Unit
AU
Astronomical Unit (93,000,000 miles) [Space]
AUDIX
AUDio Information eXchange
AUI
Attachment Unit Interface
AUP
Acceptable Use Policy
AURA
Association of Universities for Research in Astronomy
AUS
Army of the United States
AUTODIN
AUTOmatic DIgital Network
AUTOSEVCOM
AUTOmatic SEcure Voice COMmunications
AUTOVON
AUTOmatic VOice Network
AUX
Apple UniX
AUXF
AUXillary Frame
AV
AudioVisual
AVD
Alternate Voice Data
AVLIS
Atomic Vapor Laser Isotope Separation
AVS
Application Visualization Software
AWACS
Airborne Warnings And Control Systems
AWEA
American Wind Energy Association
AWG
American Wire Gauge
AWK
al Aho, peter Weinberger, brian Kernighan (pattern = scanning=20 language)
AWOL
Absent WithOut Leave (also Absent Without Official Leave) = (see=20 AOL)
AWST
Aviation Week and Space Technology (a.k.a. AvLeak),=20 "AW&ST"
AXAF
Advanced X-ray Astrophysics Facility [Space]
AY
Arther Young
AZ
Arizona
B
Book
B
Byte
B
bit, "b"
B6ZS
Bipolar with 6 Zero Subsitution
B911
Basic 911
BA
Bachelor of Arts
BACH
Business Alliance for Commerce in Hemp
BAFO
Best And Final Offer
BALUN
BALanced to UNbalanced
BAMAF
BELLCORE AMA Format
BANCS
Bell Administrative Network Communications System
BAPCO
Bellsouth Advertising & Publishing COmpany
BARRNET
Bay Area Regional Research Network, "BARRNet" (SF Bay = Area)
BASH
Bourne-Again SHell
BASIC
Beginner's All-purpose Symbolic Instruction Code
BATSE
Burst And Transient Source Experiment (on GRO)
BB
Bases on Balls
BB
Best of Breed
BB
Bunnies and Burrows
BBA
Bachelor of Business Administration
BBB
Better Business Bureau
BBC
British Broadcasting Corporation
BBL
Barrel
BBN
Bolt, Beranek, and Newman [Corporate name]
BBS
Bulletin Board System
BBXRT
Broad-Band X-Ray Telescope (ASTRO package)
BC
Battlecars
BC
Before Christ
BC
British Columbia
BCBS
Blue Cross/Blue Shield, "BC/BS"
BCC
Blind/Blank Carbon Copy
BCC
Blocked Call Cleared
BCC
Block Check Character
BCD
Bad Conduct Discharge
BCD
Binary Coded Decimal
BCD
Blocked Call Delayed
BCDIC
Binary Coded Decimal Interchange Code
BCE
Before the Common Era (substitute for BC)
BCP
Binary Communications Protocol
BCP
Byte Controlled Protocols
BCPL
Basic Combined Programming Language
BCR
Bell Communications Research
BCS
Bachelor of Commercial Science
BCS
Batch Change Supplement
BCS
Binary Compatibility Standard (ABI for Motorola chips)
BCS
Boston Computer Society
BCS
British Computer Society
BCS
Basic Combined Subset
BCWP
Budgeted Cost of Work Performed
BCWS
Budgeted Cost of Work Scheduled
BD
Bachelor of Divinity
BD
Bank Draft
BD
Bills Discounted
BDA
Battle Damage Assessment
BDA
Bomb Damage Assessment
BDC
Boston Development Center
BDD
Basic Dungeons & Dragons, "BD&D"
BDF
Binary Distribution Format
BDF
Bitmap Description Format (Adobe)
BDF
Bitmap Distribution Format
BDT
Billing Data Transmitter
BDT
Bulk Data Transfer
BE
Back End
BE
Bill of Exchange
BEA
Bureau of Economic Analysis
BEAV
Binary Editor And Viewer
BECAUSE
BEnchmark of Concurrent Architectures for their Use in = Scientific=20 Engineering
BED
Hanscom Field, Bedford MA
BEF
Band Elimination Filter
BEF
British Expeditionary Force (see AEF)
BELLCORE
BELL COmmunications REsearch
BEM
Bug Eyed Monster
BENELUX
BElgium, NEtherlands, and LUXembourg
BER
Basic Encoding Rules
BER
Bit Error Rate
BERNET
BErliner RechnerNETz
BERT
Bit Error Rate Test
BEST
Borland Enhanced Support and Training
BETRS
Basic Exchange Telecommunications Radio Service
BF
Brought Forward
BFA
Bachelor of Fine Arts
BFD
Big F***ing Deal
BFHD
Big Fat Hairy Deal
BFR
Biennial Flight Review
BGP
Border Gateway Protocol
BH
Black Hole
BH
Boot Hill
BHA
Butylated HydroxyAnisole
BHC
Busy Hour Calls
BHP
Brake HorsePower
BHT
Butylated HydroxyToluene
BI
Backplane Interconnect
BI
Bus Interconnect
BICS
Building Industry Consulting Services [telephony]
BID
Bis In Die (twice a day)
BIMA
Berkeley Illinois Maryland Array
BIND
Berkeley Internet Name Daemon
BIOC
Break Into Other Computers
BIOS
Basic Input Output System
BIRD
BIlinear Rotation Decoupling
BIS
Business Information System
BISDN
Broadband Integrated Services Digital Network, = "B-ISDN"
BISP
Business Information System Program
BISYNC
Binary Synchronous Communications, "BiSync" (BSC is = preferred)=20 [IBM]
BIT
Binary digIT
BIT
Bipolar Integrated Technology Inc
BITNET
Because-It's-Time NETwork
BITS
Biotechnology Information Toolkit Software
BIU
Bus Interface Unit
BIX
Byte Information eXchange
BL
Bill of Loading
BLAS
Basic Linear Algebra Subroutines
BLAST
BLocked ASynchronous Transmission
BLDS
Busy Line/Don't Answer, "BL/DS"
BLER
Block Error Rate
BLERT
BLock Error Rate Test
BLF
Busy Lamp Field [telephony]
BLF
Busy Line Field
BLM
Bureau of Land Management
BLOBS
Binary Large OBjectS
BLS
Bureau of Labor Statistics
BLS
Business Listing Service
BLT
BLock Transfer
BLT
Bacon, Lettuce, and Tomato
BLV
Busy Line Verification
BM
Basal Metabolism
BM
Bowel Movement
BM
Breakdown Maintenance
BMA
Bank Marketing Association
BMEWS
Ballistic Missile Early Warning
BMG
Bloomington, IN
BMI
Broadcast Music Inc.
BMO
Ballistic Missile Office
BMOC
Big Man On Campus
BMP
Benchmark Plan
BMR
Basal Metabolism Rate
BNC
Bayonet Navy Connector
BNC
Bayonet Neill Concelman (connector) [electronics] (see = also=20 TNC)
BNC
Berkley Nucleonics Corporation
BNC
British Naval Connectors
BNET
Berkeley NETworking
BNF
Bachus-Naur Form
BNFL
British Nuclear Fuels Ltd
BNRCVUUCP
Batch News ReCeive Via UUCP
BNS
Billed Number Screening
BNSC
British National Space Centre
BNU
Basic Networking Utilities (AT&T's name for = HoneyDanBer=20 UUCP)
BO
Body Odor
BO
Branch Office
BO
Buyer's Option
BOC
Bell Operating Company
BOD
Board Of Directors
BOF
Birds Of a Feather
BOM
Bill Of Materials
BOQ
Bachelor Officers' Quarters
BOR
Basic Output Report
BORSCHT
Battery, Overvoltage, Ringing, Supervision, Coding, Hybrid = Test
BOS
Base Operating System
BOS
Boston MA
BOS
Business Office Supervisor
BOSIX
Biin Open System Interface eXtension
BOSS
Billing and Order Support System
BOT
Beginning Of Tape
BP
Base Pointer
BP
Blood Pressure
BP
British Petroleum
BP
British Pharmacopoeia
BPI
Bits Per Inch, Blocks Per Inch, Bytes Per Inch
BPOC
Bell Point Of Contact
BPOE
Benevolent and Protective Order of Elks
BPPS
Basing-Point Pricing System
BPS
Bits/Bytes Per Second
BPSS
Basic Packet-Switching Service
BR
Bills Receivable
BR
British Rail
BRAT
Business Residence Account Tracking system
BRC
Business Reply Card
BRCS
Business Residence Custom Service
BRI
Basic Rate Interface
BRIEF
Basic Reconfigurable Interactive Editing Facility
BRL
Ballistics Research Lab
BRL
army Ballistic Research Laboratory
BRM
Basic Remote Module
BRS
Bibliographic Retrieval Service
BS
Bachelor of Science
BS
Back Space
BS
Banded Signaling
BS
Bill of Sale
BS
Bill of Sale, "B/S"
BS
British Standards
BSA
Basic Serving Arrangements
BSA
Birmingham Small Arms
BSA
Boy Scouts of America
BSBH
Busy Season Busy Hour
BSC
Bachelor of SCience, "BSc"
BSC
Binary Synchronous Communication
BSC
Binary Synchronous Communications (also sometimes BiSync)=20 [IBM]
BSC
Business Service Center
BSCM
BiSynchronous Communications Module
BSD
Berkeley Software Distribution
BSE
Basic Service Element
BSF
Bell Shock Force
BSI
British Standards Institute
BSMTP
Batched SMTP
BSN
Bachelor of Science in Nursing
BSOC
Bell Systems Operating Company
BSP
Bell System Practice
BSRFS
Bell System Reference Frequency Standard
BSS
Basic Synchronized Subset
BSS
Block Started by Symbol (IBM assembly-language)
BST
Basic Services Terminal
BSTJ
Bell System Technical Journal
BSW
Boston Software Works
BT
Bus Terminator
BTAM
Basic Telecommunications Access Method [IBM]
BTHU
British Thermal Unit, "BThU" (BTU, q.v., is preferred)
BTL
Backplane Transceiver Logic
BTL
Bell Telephone Laboratories
BTN
Billing Telephone Number
BTO
Bachman Turner Overdrive
BTOL
Better Than Open Look
BTS
Board Tracking System
BTU
British Thermal Unit
BTW
By The Way [net jargon]
BU
Bushido
BU
Business Units
BURP
Brewers United for Real Potables
BUS
Basic Utility System
BUT
Board Under Test
BV
Blessed Virgin
BVA
Billing Validation Application
BVC
Billing Validation Center
BVY
Beverly MA
BW
Business Wire
BWC
BandWidth Compression
BWI
Baltimore-Washington International (airport)
BWI
British West Indies
BWM
Broadcast Warning Message
BWT
Broadcast Warning TWX
BWTS
BandWidth Test Set
BX
Base eXchange (see also PX)
BYU
Brigham Young University
C
Copper
C
programming language, successor to BCPL
CA
CAble
CA
California
CA
Chartered Accountant
CA
Chief Accountant
CA
Chronological Age
CA
Collision Avoidance (as in CSMA/CA (q.v.))
CAA
Civil Aviation Authority (U.K.)
CAB
Civil Aeronautics Board
CABS
Carrier Access Billing System
CAC
Calling-card Authorization Center
CAC
Carrier Access Code
CAC
Circuit Administration Center
CAC
Customer Administration Center
CACM
Communications of the Association for Computing = Machinery
CAD
Computer Aided Design (sometimes seen as CAD/CAM)
CAD
Computer-Aided Dispatch
CADD
Computer-Aided Design and Drafting
CADV
Combined Alternate Data/Voice
CAE
Common Application Environment
CAE
Computer-Aided Education
CAE
Computer-Aided Engineering
CAFE
Corporate Average Fuel Economy
CAGR
Compound Annual Growth Rate
CAI
Call Assembly Index
CAI
Computer Aided Instruction
CAI
Computer Application Inc
CAI
Computer Assisted Instruction
CAIS
Colocated Automatic Intercept System
CAIS
Common Apse Interface Specification
CALRS
Centralized Automatic Loop Reporting System
CALS
Computer-aided Acquisition and Logistics Support
CAM
Common Access Method (SCSI)
CAM
Computer Aided Management
CAM
Computer Aided Manufacturing (sometimes seen as = CAD/CAM)
CAM
Computer-Aided Manufacturing
CAM
Content Addressable Memory
CAMA
Centralized Automatic Message Accounting
CAMAC
Computer Automated Measurement And Control
CAML
Categorical Abstract Machine Language
CAMM
Computer Assisted Material Management
CAMP
Campaign Against Marijuana Planting
CAMRA
CAMpaign for Real Ale
CAN
Campus Area Network
CAP
Civil Air Patrol
CAP
Columbia Appletalk Package
CAP
Computer Aided Publishing
CAPP
Computer Aided Process Planning
CAPS
CAPital letterS
CAPTAIN
Character And Pattern Telephone Access Information = Network
CAR
Computer Access & Retrieval
CAR
Contents of the Address part of the Register
CAROT
Centralized Automatic Reporting On Trunks
CART
Championship Auto Racing Teams
CAS
Chemical Abstracts Service
CAS
Circuit Associated Signaling
CAS
Communicating Application Specification
CAS
Computerized Autodial System
CASE
Common Application Service Element
CASE
Computer Aided Software Engineering
CASSI
Chemical Abstracts Service Source Index
CASSIS
Classification and Search Support Information System
CAT
Computer Assisted Typesetter
CAT
Computer-Aided Tomography
CAT
Craft Access Terminal
CAT
Customer Acceptance Test
CAT
conCATenate
CATIS
Common Applications and Tools Integration Services
CATLAS
Centralized Automatic Trouble Locating and Analysis = System
CATV
Community Antenna TeleVision
CAU
Connection Arrangement Unit
CAV
Constant Angular Velocity
CAVU
Ceiling And Visibility Unlimited
CB
Citizens Band radio
CBC
Canadian Broadcasting Corporation
CBD
Cash Before Delivery
CBD
Central Business District
CBD
Commerce Business Daily
CBDS
Connectionless Broadband Data Service
CBEMA
Computer & Business Equipment Manufacturers = Association
CBI
Computer Based Instruction
CBR
Chemical, Biological, Radiological warfare
CBS
Columbia Broadcasting System
CBS
CrossBar Switching
CBW
Chemical and Biological Warfare
CBX
Computerized Branch eXchange
CC
Carbon Copy
CC
Center Conductor
CC
Central Control
CC
Common Control
CC
Cost Center
CC
Country Code
CC
C Compiler
CC
Cluster Controller
CCA
Computer Corporation of America [Corporate name]
CCAFS
Cape Canaveral Air Force Station
CCC
Canadian Committee on Cataloging
CCC
Central Control Complex
CCC
Ceramic Chip Carriers
CCC
Civil(ian) Conservation Corps
CCC
Command, Control, and Communications (sometimes C^3)
CCC
Computer Control Center
CCC
Concourse Computer Center [MIT]
CCCCM
CCC CounterMeasures (sometimes C^3CM)
CCCI
Command, Control, Communications, and Intelligence
CCD
Charge Coupled Device (see CID)
CCD
Computer-Controlled Display
CCDS
Centers for the Commercial Development of Space
CCH
Connections per Circuit per Hour
CCI
Computer Carrier Interrupt
CCI
Computer Consoles, Incorporated
CCIM
Certified Commercial Investment Member
CCIP
Continuously Computed Impact Point
CCIR
Comite' Consultatif International des Radio = Communications
CCIS
Common Channel Interoffice Signaling [telephony]
CCITT
Comite' Consultatif International Telegraphique et=20 Telephonique
CCITT
International Consultative Committee for Telegraphy and=20 Telephony
CCL
Console Command Language
CCNC
Common Channel Network Controller
CCNC
Computer/Communications Network Center
CCR
Commitment, Concurrency, and Recovery
CCR
Covenants, Conditions, and Restrictions
CCR
Creedence Clearwater Revival
CCR
Customer-Controlled Reconfiguration
CCRP
Continuously Computed Release Point
CCS
Common Channel Signaling
CCS
Common Command Set (SCSI)
CCS
Hundred (C) Call Seconds
CCSA
Common Control Switching Arrangement [telephony]
CCT
Central Control Terminal
CCTA
Central Computer and Telecommunications Agency
CCTAC
Computer Communications Trouble Analysis Center
CCTV
Closed Circuit TeleVision
CCU
COLT Computer Unit
CCV
Calling Card Validation
CCW
Counter ClockWise
CD
Carrier Detect (properly DCD (q.v.))
CD
Certificate of Deposit
CD
Circular Dichroism
CD
Civil Defense
CD
Collision Detection (as in CSMA/CD (q.v.))
CD
Compact Disk
CDA
Call Data Accumulator
CDA
Coin Detection and Announcement
CDA
Compound Documents Architecture
CDAR
Customer Dialed Account Recording
CDB
Command Descriptor Block
CDB
Customer Distributed Buglist
CDC
Centers for Disease Control
CDC
Control Data Corporation, inc. [Corporate name]
CDCF
Cumulative Discounted Cash Flow
CDEV
Control panel DEVice
CDF
Combined Distributing Frame
CDF
Context-Dependent File
CDI
Circle Digit Identification
CDI
Course Deviation Indicator
CDIAC
Carbon Dioxide Information Analysis Center
CDO
Community Dial Office
CDP
Career Development Program
CDPR
Customer Dial Pulse Receiver
CDR
Call Dial Rerouting
CDR
CommanDeR
CDR
Contents of the Decrement part of the Register
CDR
Critical Design Review
CDROM
Compact Disk Read Only Memory, "CD-ROM"
CDS
Craft Dispatch System
CDSF
Commercially Developed Space Facility
CDT
Call Data Transmitter
CDT
Central Daylight Time
CDU
Control Display Unit
CE
Chemical Engineer
CE
Civil Engineer
CE
Common Era (substitute for AD)
CE
Corps of Engineers
CE
Customer Engineer
CEA
Commissariat a l'Energie Atomique, France
CEA
Council of Economic Advisors
CEA
County Education Authority
CEBIT
welt-CEntrum Buero Information Telekommunikation
CEC
Commission of the European Communities
CED
Committee for Economic Development
CEERT
Coalition for Energy Efficiency and Renewable = Technologies
CEF
Cable Entrance Facility
CEI
Comparably Efficient Interconnection
CELSS
Controlled Ecological Life Support System [Space]
CEN
Centre d'Etudes Nucleaires
CENS
Centre d'Etudes Nucleaires de Seclay
CENTO
CENtral Treaty Organization
CEO
Chief Executive Officer
CERMET
Ceramic Metal Element
CERN
organisation (formerly Conseil) Europeenne pour la = Recherche=20 Nucleaires
CERT
Computer Emergency Response Team
CET
Central European Time
CEV
Controlled Environment Vault
CEVI
Common Equipment Voltage Indicator
CF
Carry Forward
CF
Coin First payphone [telephony]
CFA
Center For Astrophysics
CFB
Color Frame Buffer
CFC
Chloro-FluoroCarbon [chemical]
CFC
Combined Federal Campaign
CFCA
Communications Fraud Control Association
CFD
Computational Fluid Dynamics
CFF
Columbus Free Flyer
CFHT
Canada-France-Hawaii Telescope
CFI
Certificated Flight Instructor
CFI
Cost, Freight, and Insurance
CFL
Canadian Football League
CFO
Chief Financial Officer
CFP
Call For Papers
CFR
Code of Federal Regulations
CG
Coast Guard
CG
Commanding General
CGA
Color Graphics Adapter
CGCT
Compagnie Generale de Constructions Telephoniques
CGE
Cincinnati Gas & Electric, "CG&E"
CGE
Compagnie Generale d'Electricite
CGI
Computer Graphics Interface
CGIAR
Consultative Group on International Agricultural = Research
CGM
Computer Graphics Metafile
CGMIF
Computer Graphics Metafile Interchange Format
CGN
Concentrator Group Number
CGS
Centimeter-Gram-Second
CGX
Chicago (Meigs) IL
CH
Cardboard Heroes
CH
ClearingHouse
CH
CourtHouse
CH
Customs House
CHA
Champions
CHAP
CHAnnel Processor
CHARA
Center for High Angular Resolution Astronomy
CHARGEN
CHARacter GENerator
CHI
Chill: Adventures into the Unknown
CHOTS
Corporate Headquarters Office Technology System
CHP
California Highway Patrol
CI
Configuration Interaction
CI
Cubic Inches
CIA
Central Intelligence Agency [US Government]
CIAC
Computer Incident Advisory Capability
CIB
Console Interface Board
CIC
Carrier Identification Code
CIC
Coordination and Information Center [CSNet]
CICA
Competition in Contracting Act
CICS
Customer Information Control System [IBM]
CICSVS
Customer Information Control System / Virtual Storage,=20 "CICS/VS"
CID
Central Institute for the Deaf
CID
Charge Injection Device (see CCD)
CID
Computer Integrated Design
CIDEP
Chemically Induced Dynamic Electron Polarization
CIDIN
Common Icao Data Interchange Network
CIDNP
Chemically Induced Dynamic Nuclear Polarization
CIF
Caltech Intermediate Form
CIF
Cost, Insurance and Freight
CII
Call Identity Index
CIM
Computer Integrated Manufacturing
CIMA
Construction Industry Manufacture's Association
CIO
Chief Information Officer
CIP
Chief Income Producer
CIP
Computer-Investitions-Programm
CIRCA
Center for Instructional and Research Computing = Activities
CIRRIS
Cryogenic InfraRed Radiance Instrument for Shuttle
CIS
Chief Income Spender
CIS
Commonwealth of Independent States
CIS
Compuserve Information S?
CIS
Customized Intercept Service
CISC
Complex Instruction Set Computer
CIT
California Institute of Technology
CIT
Case Institute of Technology (part of CWRU, Cleveland, = OH)
CIT
Circumstellar Imaging Telescope [Space]
CIT
Computer Integrated Telephony
CIU
Computer Interface Unit
CL
Connection-Less mode
CLASP
Comprehensive Logistics Automated Support Program
CLASS
Centralized Local Area Selective Signaling
CLASS
Custom Local Area Signaling Service
CLDN
Calling Line Directory Number
CLEF
Certified Licensed Evaluation Facility
CLEI
Common-Language Equipment Identification
CLI
Calling Line Ident
CLI
Command Line Interpreter
CLID
Calling Line IDentification
CLLI
Common-Language Location Identification
CLNP
ConnectionLess Network Protocol
CLOS
Common Lisp Object System
CLR
Combined Line and Recording
CLRC
Circuit Layout Record Card
CLS
connectionless server
CLTP
Connectionless Transport Protocol
CLU
Chartered Life Underwriter
CLUT
Color LookUp Table
CLV
Constant Linear Velocity
CM
Command Module (Apollo spacecraft)
CM
Computer Modern
CM
Congregation of the Mission
CM
Corrective Maintenance
CMA
Cash Management Account
CMAC
Centralized Maintenance and Administration Center
CMC
Communication Machinery Corporation
CMC
Construction Maintenance Center
CMC
Corporate Management Commitee
CMCC
Central Mission Control Centre (ESA)
CMD
Centralized Message Distribution
CMDF
Combined Main Distributing Frame
CMDS
Centralized Message Data System
CMH
Port Columbus OH
CMI
Champaign-Urbana IL
CMIP
Common Management Information Protocol
CMIS
Common Management Information Service
CMISE
Common Management Information Service Element
CML
Current Model Logic
CMMU
Cache/Memory Management Unit
CMOS
Complementary-symmetry Metal-Oxide Semiconductor
CMOT
Common Management Information Services and Protocol over=20 TCP/IP
CMRR
Common Mode Rejection Ratio
CMS
Call Management System
CMS
Circuit Maintenance System
CMS
Communications Management Subsystem
CMS
Conversational Monitoring System
CMSGT
Chief Master Sergeant, "CMSgt"
CMT
Cellular Mobile Telephone
CMU
COLT Measurement Unit
CMU
Carnegie-Mellon University
CMW
Compartmented Mode Workstation
CMYK
Cyan, Magenta, Yellow, blacK
CN
Canadian National (railroad) [Corporate name]
CN
Change Notice
CNA
Communications Network Application
CNA
Customer Name / Address, "CN/A" [telephony]
CNA
Customer Name and Address
CNAB
Customer Name/Address Bureau
CNC
Computer Numerical Control
CNCC
Customer Network Control Center
CNDO
Complete Neglect of Differential Overlap
CNES
Centre National d'Etude Spatiales
CNI
Common Network Interface
CNM
Communications Network Management
CNMA
Communications Network for Manufacturing Applications
CNMS
Cylink Network Management System
CNN
Cable News Network
CNO
Carbon-Nitrogen-Oxygen
CNO
Chief of Naval Operations
CNR
Canadian National Railways
CNR
Carrier to Noise Ratio
CNR
Consiglio Nazionale delle Ricerche, Italy
CNRCVUUCP
Compressed News ReCeive Via UUCP
CNS
Central Nervous System
CNS
Complimentary Network Service
CNSR
Comet Nucleus Sample Return
CO
Cash Order
CO
Central Office [telephony]
CO
Colorado
CO
Commanding Officer
CO
Conscientious Objector
CO
in Care Of, "C/O"
COAM
Customer Owned And Maintained
COB
Close Of Business
COBE
COsmic Background Explorer
COBOL
COmmon Business Oriented Language
COC
Call of Cthulhu
COC
Circuit Order Control
COCOM
Coordinating Comittee for Export to Comminist Area
COCOT
Customer-Owned Coin-Operated Telephone [telephony]
COD
Collect On Delivery; Cash On Delivery
CODASYL
Conference On DAta SYstems Languages
CODCF
Central Office Data Connecting Facility
CODEC
COder-DECoder
COE
Center Of Excellence
COE
Central Office Equipment
COEES
COE Engineering System
COER
Central Office Equipment Report
COFF
Common Object File Format
COLA
Cost-Of-Living Allowance
COLOC
COrrelation spectroscopy for LOng-range Couplings
COLT
Central Office Line Tester
COM
Commercial (pilot certificate)
COM
Computer Output Microfilm
COMAS
Central Office Maintenance and Administration System
COMDEX
COMputer Dealer's Exposition
COMM
Communications
COMPACT
COMmercial Product ACquisition Team
COMPTEL
COMPton TELescope (on GRO)
COMS
Complementary Metal Oxide Semiconductor
COMSAT
COMmunications SATellite [Space]
COMSAT
Communications Satellite Corp
CONN
CONNector
CONS
Connection-Oriented Networking Session
CONTAC
Central Office NeTwork ACcess
CONUS
CONtinental United States
COO
Chief Operating Officer
COP
Character-Oriented Protocol
COPS
Computer Oracle and Password System
COQ
Cost Of Quality
CORE
COntrolled Requirement Expression
CORN
COmputer Resource Nucleus
CORNET
CORperate NETwork
COS
Central Office Switch
COS
Corporation for Open Systems
COSINE
Cooperation for Open Systems Interconnection Networking in = Europe
COSMIC
COmmon Systems Main InterConnection frame system
COSMIC
COmputer Software Management and Information Center
COSMOS
COmputer System for Mainframe OperationS
COSTAR
Corrective Optics Space Telescope Axial Replacement
COSY
COrrelation SpectroscopY
COT
Central Office Terminal
COTS
Connection-Oriented Transport (layer) Service
CP
Canadian Pacific
CP
Canadian Press
CP
Chemically Pure
CP
CoPy
CP
Command Post
CP
Command Processor
CP
Control Program
CP
Cross Polarization
CPA
Certified Public Accountant
CPA
Communications & Public Affairs, "C&PA"
CPC
Cellular Phone Company
CPC
Circuit Provisioning Center
CPD
Central Pulse Distributor
CPE
Customer Premises Equipment
CPE
Customer-Provided Equipment
CPFF
Cost Plus Fixed Fee
CPH
Cost Per Hour
CPI
Characters Per Inch
CPI
Common Programming Interface
CPI
Computer Private branch exchange Interface
CPIO
CoPy In/Out
CPL
Combined Programming Language
CPM
Control Program for Microcomputers (sometimes CP/M)
CPM
Cost Per Minute
CPM
Critical Path Method
CPMAS
Cross Polarization/Magic Angle Spinning, "CP/MAS"
CPMG
Carr-Purcell-Meiboom-Gill
CPMP
Carrier Performance Measurement Plan
CPO
Chief Petty Officer
CPO
Chief Post Office
CPO
Customer Premises Equipment
CPP
Cable Patch Panel
CPR
Canadian Pacific Railway
CPS
Characters Per Second
CPSR
Computer Professionals for Social Responsibility
CPT
CaPTain
CPU
Central Processing Unit
CPW
Certified Public Weigher
CQ
Charge of Quarters, Call to Quarter
CQ
Commercial Quality
CR
Carriage Return (ASCII 15 octal)
CRAF
Comet Rendezvous/Asteroid Flyby [Space]
CRAM
Card Random Access Memory
CRAS
Cable Repair Administrative System
CRB
Certified Residential Broker
CRC
Camera Ready Copy
CRC
Chemical Rubber Company
CRC
Civil Rights Commission
CRC
Customer Record Center
CRC
Cyclic Redundancy Check
CRC
Cyclical Redundancy Character
CRD
Customer Required Date
CREG
Concentrated Range Extension with Gain
CREN
Corporation for Research and Educational Networking
CRFC
Customer Return For Credit
CRFMP
Cable Repair Force Management Plan
CRI
Cray Research, Inc.
CRIN
Centre de Recherche en Informatique de Nancy
CRIS
Customer Record Information System
CRISC
Complex-Reduced Instruction Set Computer
CRISP
Complex-Reduced Instruction Set Processor
CRISP
Cross-Relaxation Intensity Sequence Pattern
CRL
Certificate Revocation List
CRLF
Carriage Return/Line Feed
CRONIC
Colorado Rudimentary Operating Nucleus for Intelligent = Controllers=20 (HSC OS)
CROTCH
Computerized Routine for Observing and Testing the Channel = Hardware
CRRES
Combined Release / Radiation Effects Satellite
CRS
Centralized Results System
CRSAB
Centralized Repair Service Answering Bureau
CRT
Cathode Ray Tube (also generic reference to a = terminal)
CRTC
Canadian Radio-television and Telecommunications = Commission
CS
Chivalry & Sorcery, "C&S"
CS
Civil Servant
CS
Code Segment
CS
Computer Science; Computing Science
CS
County Seat
CS
Customer Service
CSA
Canadian Standards Association
CSA
Carrier Serving Area
CSA
Client Service Agent
CSA
Confederate States of America
CSA
Customer Service Administration
CSAB
Computing Sciences Accreditation Board
CSACC
Customer Service Administration Control Center
CSACS
Centralized Status, Alarm and Control System
CSAR
Centralized System for Analysis Reporting
CSC
Cell Site Controller
CSC
Computer Sciences Corporation
CSCM
Chemical Shift Correlation Map
CSD
Customer Service Division
CSDC
Circuit Switched Digital Capability
CSE
Common Subexpression Elimination
CSF
Critical Success Factor
CSI
Commercial Systems Integration
CSIRO
Commonwealth Scientific and Industrial Research = Organization
CSIS
Canadian Security and Intelligence Service
CSL
Coin Supervising Link
CSM
Command Sergeant Major
CSM
Command and Service Module (Apollo spacecraft)
CSMA
Carrier Sense Multiple Access
CSMACA
Carrier Sense Multiple Access with Collision Avoidance,=20 "CSMA/CA"
CSMACD
Carrier Sense Multiple Access with Collision Detection,=20 "CSMA/CD"
CSN
Computer Systems News (magazine)
CSNET
Computer Science NETwork
CSO
Central Services Organization
CSO
Computing Services Office (UIUC)
CSOC
Consolidated Space Operations Center (at Colorado = Springs)
CSP
Control Switching Point
CSPAN
Cable-Satellite Public Affairs Network, "C-SPAN"
CSR
Control and Status Register
CSRG
Computer Systems Research Group
CSRI
Computer Systems Research Institute (U Toronto)
CSRS
Civil Service Retirement System
CSS
Computer Sub-System
CSS
Customer Switching System
CST
Central Standard Time
CSTA
Computer Supported Telecommunications Applications
CSTC
Consolidated Satellite Test Center (USAF)
CSU
Channel Service Unit
CT
Central Time
CT
Charge Transfer
CT
Communications & Tracking, "C&T"
CT
Computed Tomography
CT
Connecticut
CTC
Canadian Transport Commission
CTC
Central Test Center
CTC
Centralized Traffic Control [railroad]
CTC
Chu-Itoh Techno-Science Co.
CTD
Computing and Telecommunications Division
CTERM
Command TERMinal (DECNET)
CTIO
Cerro Tololo Inter-american Observatory
CTM
Contac Trunk Module
CTMS
Carrier Transmission Measuring System
CTNE
Compania Telefonica Nacional de Espana
CTO
Call Transfer Outside
CTRL
Control
CTS
Carpal Tunnel Syndrome
CTS
Cartridge Tape Subsystem (Exabyte)
CTS
Clear To Send
CTS
Compatible Timesharing System
CTSS
{Compatible,Chameleon,Cray,Cyber} Time-Sharing System
CTT
Cartridge Tape Transport
CTTC
Cartridge Tape Transport Controller
CTTN
Cable Trunk Ticket Number
CTV
Canadian TeleVision network
CU
Close-Up
CU
Control Unit
CU
Customer Unit
CUA
Common User Access
CUCRIT
Capital Utilization CRITeria
CUL
See You Later [net jargon]
CUNBATCH
Compressed news UNBATCH
CUTK
Common Update/EQuipment system, "CU/TK"
CV
Constant Velocity
CV
Curriculum Vitae
CVCC
Controlled Vortex Combustion Chamber
CVD
Chemical Vapor Deposition
CVR
Compass Voice Response
CVT
Continuous Variable Transmission
CW
Car Wars
CW
Chemical Warfare
CW
Child Welfare
CW
Churchwarden
CW
Continuous Wave
CWC
City-Wide Centrex
CWI
Centrum voor Wiskunde en Informatica (Centre for = Mathematics and=20 Computer Science)
CWO
Cash With Order
CWO
Chief Warrant Officer
CWRU
Case Western Reserve University
CXI
Common X-windows Interface
CY
Calendar Year
CYO
Catholic Youth Organization
CZ
Canal Zone
CZ
Control Zone
D
Depth
DA
Days after Acceptance
DA
Department of Agriculture
DA
Deposit Account
DA
Desk Accessory (Mac)
DA
Digital to Analog converter, "D?A"
DA
Directory Assistance (/C = computerized, /M = = Microfilm)
DA
District Attorney
DA
Don't Answer
DAC
Design Automation Conference
DAC
Digital to Analog Converter
DACCS
Digital Access Cross Connect System [telephony]
DACS
Digital Access Cross-connect System [telephony]
DACS
Directory Assistance Charging System
DAD
Draft ADdendum
DAIS
Distributed Automatic Intercept System
DAMQAM
Dynamically Adaptive Multicarrier Quadrature Amplitude=20 Modulation
DAP
Data Access Protocol (DECNET)
DAP
Division Advisory Panel [of NSF (q.v.) DNCRI (q.v.)]
DAR
Daughters of the American Revolution
DARC
Division Alarm Recording Center
DARPA
Defense Advanced Research Projects Agency
DARU
Distributed automatic intercept system Audio Response = Unit
DAS
Directory Assistance System
DAS
Distributor And Scanner
DAS
Dual Attach Station
DASD
Direct Access Storage Device
DASWDT
Distributor And Scanner-Watch Dog Timer, "DAS-WDT"
DAT
Digital Audio Tape
DATA
Defense Air Transport Administration
DAV
Data Above Voice
DAV
Disabled American Veterans
DAY
Dayton OH
DB
DataBase
DB
DeciBels, "db"
DB
Dial Box
DBA
Data Base Administrator
DBA
Doing Business As
DBAC
Data Base Administration Center
DBAS
Data Base Administration System
DBF
DBase Format
DBM
DataBase Manager
DBME
DataBase Managment Environment
DBMS
DataBase Management System (rdbms for Relational)
DBRAD
Data Base Relational Application Directory
DBS
Duplex Bus Selector
DC
Data Cartridge
DC
Direct Current, "dc" (see also AC)
DC
District of Columbia
DCA
Defense Communications Agency
DCA
Distributed Communication Architecture
DCA
Document Content Architecture
DCA
Washington (National) DC
DCC
Data Country Code
DCC
Descriptive Cataloging Committee
DCC
DiCyclohexylCarbodiimide
DCC
Digital Compact Cassette
DCCO
Defense Commercial Communications Office
DCCS
DisContiguous Shared Segments
DCD
Data Carrier Detect (sometimes CD (q.v.))
DCE
Data Circuit-terminating Equipment
DCE
Data Communications Equipment
DCE
Distributed Computing Environment
DCH
D Channel Handler
DCI
Desktop Color Imaging
DCL
DEC Control Language
DCL
Data Control Language
DCL
Digital Command Language
DCLU
Digital Carrier Line Uint
DCM
Digital Carrier Module
DCMS
Distributed Call Measurement System
DCMU
Digital Concentrator Measurement Unit
DCNA
Data Communication Network Architecture
DCO
Document Change Order
DCP
Distributed Communications Processor
DCP
Duplex Central Processor
DCPR
Detailed Contuing Property Record (PICS/DCPR)
DCPSK
Differential Coherent Phase-Shift Keying
DCS
Digital Crosconnect System
DCS
Distribution Control System
DCT
Digital Carrier Trunk
DCTN
Defense Commercial Telecommunications Network
DCTS
Dimension Custom Telephone Service
DD
Daredevils
DD
Data Dictionary
DD
Days after Date
DD
Demand Draft
DD
Dishonorable Discharge
DD
Disk Drive
DD
Doctor of Divinity
DD
Double Density
DD
Dungeons & Dragons, "D&D"
DDA
Digital Differential Analyzer
DDA
Domain Defined Attribute
DDB
Device Dependent Bitmap
DDC
Digital Data Converter
DDC
Direct Department Calling
DDCMP
Digital Data Communication Message Protocol
DDCU
DC-to-DC Converter Unit
DDD
Direct Distance Dialing [Telephony; principally US, = elsewhere=20 STD]
DDE
Dynamic Data Exchange
DDJ
Dr. Dobbs Journal
DDK
Driver Development Kit (from MS)
DDL
Data Definition Language
DDL
Document Description Language
DDN
Defense Data Network
DDP
Datagram Delivery Protocol
DDP
Distributed Data Processing
DDPEX
Device Dependent PEX
DDQ
DichloroDicyanobenzoQuinone
DDS
Dataphone Digital Service [AT&T]
DDS
Digital Data Service
DDS
Digital Data Storage (Sony and HP's DAT format)
DDS
Digital Data System
DDS
Digital Dataphone Service
DDS
Direct Digital Service
DDS
Doctor of Dental Surgery; Doctor of Dental Science
DDS
Document Distribution Services
DDS
Dataphone Digital service carrier offering 2.4 - 56 = kb/s
DDT
DichloroDiphenylTrichloroethane
DDV
DatenDirektVerbindung
DDX
Digital Data eXchange, Device Dependent X (windows)
DDX
Distributed Data eXchange
DE
Delaware
DE
Disk Enclosure
DEA
Data Encryption Algorithm
DEA
Drug Enforcement Agency
DEAR
Department of Energy Acquisition Regulation
DEBNA
Digital Ethernet BI Network Adapter
DEC
Digital Equipment Corporation [Corporate name]
DECNET
Digital Equipment Corporation NETwork
DECUS
Digital Equipment Computer Users Society
DELNI
Digital Ethernet Local Network Interconnect
DELQA
Digital Ethernet Lowpower Q-bus network Adapter
DELUA
Digital Ethernet Lowpower Unibus network Adapter
DEMPR
Digital Ethernet Multi-Port Repeater
DEPCA
Digital Ethernet Personal Computer-bus Adapter
DEPT
Distortionless Enhancement by Polarization Transfer
DEQNA
Digital Ethernet Q-bus Network Adapter
DEREP
Digital Ethernet REPeater
DERP
Defective Equipment Replacement Program
DES
Data Encryption Standard
DESPR
Digital Ethernet Single Port Repeater
DESTA
Digital Ethernet thin-wire STation Adapter
DEUNA
Digital Ethernet Unibus Network Adapter
DEW
Distant Early Warning (as in DEW Line)
DEXEC
Diagnostic EXEc software
DF
Damage Free
DF
Direction Finding
DF
Direction Finding, "D/F"
DFC
Distinguished Flying Cross
DFD
Data Flow Diagram
DFE
Data Flow Editor
DFG
Deutsche ForschungsGemeinschaft
DFI
Digital Facility Interface
DFM
Distinguished Flying Medal
DFMS
Digital Facility Management System
DFN
Deutsches ForschungsNetz
DFRF
Dryden Flight Research Facility (now ADFRF)
DFS
Depth-First Search
DFS
Distributed File System
DFT
Discrete Fourier Transform
DFW
Dallas-Ft.Worth (regional airport)
DG
Data General [Corporate name]
DG
Dei Gratia (by the grace of God)
DG
Directional Gyro
DG
Director General
DGA
Direct Graphics Access
DGP
Dissimilar Gateway Protocol
DGSC
Defense General Supply Center
DHHS
Department of Health and Human Services
DHSS
Department of Health and Social Security (British)
DHSS
british Department of Health and Social Security
DIA
Defence Intelligence Agency
DIA
Display Industry Association
DIA
Document Interchange Architecture
DIAD
(magnetic) Drum Information Assembler / Dispatcher
DIAL
Direct Information Access Line
DIAS
Defense Automatic Integrated System
DIB
Device Independent Bitmap
DIB
Directory Information Bases
DIBAL
DiIsoButylALuminum hydride
DIC
Digital Interface Controller
DID
Direct Inward Dialing [telephony]
DIF
Digital Interface Frame
DIF
Document Interchange Format
DIFMOS
Double Injection Floating Gate MOS
DIL
Dual InLine
DILOG
DIstributed LOGic
DIM
Data In the Middle
DIMS
Document Image Management System
DIN
Deutsche Industrie Normenausschuss
DIN
Deutsches Institut fur Normung
DINK
Double Income, No Kids
DIP
Dual Inline Package
DIR
Deliverly & Installation Request
DIRE
Dire Is Really Emacs
DIRT
Design In Real-Time
DIS
Draft International Standard (ISO)
DISA
Direct Inward System Access
DISCO
DIfferences and Sums within COsy
DISOSS
DIStributed Office Support System
DIU
Digital Interface Unit
DIV
Division
DIX
DEC, Intel, Xerox (Ethernet hardware levels)
DIY
Do It Yourself
DJ
Disc Jockey
DLA
Defense Logistics Agency
DLC
Data Link Control
DLC
Digital Loop Carrier
DLC
Driver's License Compact (Uniform interstate = treatment)
DLCU
Digital Line Carrier Unit
DLE
Data Link Escape
DLG
Digital Line Graph
DLI
Data Link Interface
DLL
Dial Long Lines
DLL
Dynamic Link Library
DLO
Dead Letter Office
DLS
Data Link Control
DLS
Digital Link Service
DLTU
Digital Line/Trunk Unit
DLUPG
Digital Line Unit-Pair Gain, "DLU-PG"
DM
Delta Modulation
DM
Dialog Manager
DM
District Manager
DM
Dungeon Master
DMA
Direct Memory Access
DMD
Directory Management Domain
DMD
Doctor of Dental Medicine
DME
DiMethoxyEthane
DME
Distance Measuring Equipment
DME
Distributed Management Environment
DMF
DiMethylFormamide
DMI
Digital Multiplexed Interface
DML
Data Manipulation Language
DML
Data Manipulation Logic
DMOS
Diffusion Metal Oxide Semiconductor (see MOS)
DMS
Data Management System
DMS
Digital Multiplexed System
DMS
Diskless Management Services
DMSP
Defense Meteorological Satellite Program
DMU
Data Manipulation Unit
DMV
Department of Motor Vehicles
DMZ
DeMilitarized Zone
DN
Directory Number
DNA
DeoxyriboNucleic Acid
DNA
Digital Network Architecture [DEC]
DNC
Direct Numerical Control
DNC
Dynamic Network Controller
DNCRI
[NSF (q.v.)] Division of Networking and Communications = Research=20 and Infrastructure
DNHR
Dynamic NonHierarchical Routing
DNI
DECnet Network Interface
DNIC
Data Network Identification Code [telephony]
DNL
Director of Naval Laboratories
DNP
Dynamic Nuclear Polarization
DNR
Dialed Number Recorder [telephony]
DNS
Domain Name System
DNX
Dynamic Network X-connect
DOA
Dead On Arrival
DOB
Date Of Birth
DOC
Dynamic Overload Control
DOCS
Display Operator Console System
DOD
Department Of Defense [U.S. Government]
DOD
Department of Defense, "DoD"
DOE
Department Of Energy [U.S. Government]
DOE
Depends On Experience
DOHC
Dual OverHead Camshaft
DOJ
Department Of Justice [U.S. Government]
DOM
Data On Master group
DOMAIN
Distributed Operating Multi Access Interactive Network=20 (Apollo)
DORE
Dynamic Object Rendering Environment
DOS
Disk Operating System
DOT
Department Of Transportation [U.S. Government]
DOTE
Director, Operational Test and Evaluation, "DOT&E"
DOTS
Digital Office Timing Supply
DOV
Data Over Voice [telephony]
DOW
Day Of Week
DOXYL
Dimethyl-OXazolidine-oxYL
DP
Data Processing
DP
Demarcation Point
DP
Dial Pulse [telephony]
DP
Displaced Persons (expelled from native land)
DP
Display Postscript
DP
Double Play
DP
Draft Proposal
DPA
Delegation of Procurement Authority
DPAC
Dedicated Plant Assignment Center
DPANS
Draft Proposed American National Standard
DPC
Destination Point Code
DPE
Data Path Extender
DPI
Dots Per Inch
DPM
Defect Per Million
DPM
Digital Panel Meter
DPM
Directional Policy Matrix
DPMI
DOS Protected Mode Interface
DPNPH
Data Packet Network-Packet Handler, "DPN-PH"
DPP
Discounted Payback Period
DPPH
DiPhenylPicrylHydrazyl
DPS
Display PostScript
DPSK
Differential Phased-Shift Keying
DQ
Dairy Queen
DQ
Dragon Quest
DQC
Double-Quantum Coherence
DQDB
Distributed Queue Dual Bus a reservation-strategy MAN 150 = Mb/s
DQF
Double-Quantum Filter
DQL
Database Query Language
DR
Data Ready
DR
Data Receive
DR
Dead Reckoning
DR
Dining Room
DRAM
Dynamic Random Access Memory (as opposed to static = RAM)
DRAW
Direct Read After Write
DRD
Data Reading Device
DRDA
Distributed Relational Database Architecture
DRE
Directional Reservation Equipment
DRG
Democratic Republic of Germany (East Germany)
DRI
Defense Research Internet (replaces Arpanet)
DRI
Digital Research, Incorporated [Corporate name]
DRMU
Digital Remote Measurement Unit
DRP
DECnet Routing Protocol
DRS
Data Rate Select (RS-232)
DS
Data Segment
DS
Digital Signal
DS
Digital carrier Span
DS
Direct Signal
DS
Directory Service
DS
Double-Sided
DSA
Dial System Assistance
DSA
Digital Storage Architecture
DSA
Directory Service Agent
DSAB
Distributed Systems Architecture Board
DSBAM
Double-SideBand Amplitude Module
DSC
Differential Scanning Calorimetry
DSC
Document Structuring Conventions
DSCS
Defense Satellite Communications System
DSD
Data Structure Diagram
DSDC
Direct Service Dial Capability
DSE
Data Structure Editor
DSEE
Domain Software Engineering Environment
DSI
Digital Speech Interpolation
DSM
Distinguished Service Medal
DSN
Deep Space Network
DSN
Digital Signal (level) N
DSO
Digital Storage Oscilloscope
DSO
Distinguished Service Order
DSP
Decessit Sine Prole (died without issue)
DSP
Defense Support Program (USAF/NRO)
DSP
Digital Signal Processor; Digital Signal Processing
DSP
Domain-Specific System
DSR
Data Set Ready (RS-232)
DSR
Digital Standard Runoff
DSR
Dynamic Service Register
DSRI
Digital Standard Relational Interface
DSS
Data Station Selector
DSS
Decision Support System
DSS
Direct Station Selection [telephony]
DSSI
Digital Storage Systems Interconnect
DST
Daylight Saving Time
DSTN
Double SuperTwisted Nematic
DSU
Digital Service Unit; Data Service Unit
DSU
Disk Subsystem Unit (Artecon)
DSX
Digital System X-connect
DT
Data Transmit
DT
Delirium Tremens
DT
Di-group Terminal
DTA
Differential ThermoAnalysis
DTA
Disk Transfer Area
DTAS
Digital Test Access System
DTB
Data Transfer Bus
DTC
Design To Cost
DTC
Di-group Terminal Controller
DTC
Digital Trunk Controller
DTD
Document Type Definition
DTE
Data Terminal Equipment
DTF
Dial Tone First payphone [telephony]
DTG
Direct Trunk Group
DTI
Department of Trade and Industry (U.K.)
DTIF
Digital Transmission Interface Frame
DTL
Diode Transistor Logic
DTMF
Dial Tone Multi Frequency [telephony]
DTP
DeskTop Publishing
DTR
Data Terminal Ready
DTS
Distributed Time Service
DTSS
Dartmouth TimeSharing System
DTU
Demand Transmission Unit
DTU
Di-group Terminal Unit
DU
Decision Unit
DUA
Directory User Agent
DUATS
Direct User Access Terminal System
DUI
Driving Under the Influence
DUT
Device Under Test
DUV
Data Under Voice
DV
Deo Vo lente (God willing)
DVC
Digital Voice Card
DVI
DeVice Independent
DVI
Digital Video Interactive
DVM
Digital Volt Meter
DVM
Doctor of Veterinary Medicine
DVMA
Direct Virtual Memory Access, see DMA, device uses = MMU.
DVMRP
Distance-Vector Multicast Routing Protocol
DVX
Digital Voice eXchange
DW
Dead Weight
DWAPS
Defense Warehousing Automated Processing System
DWB
Documenter's WorkBench
DWI
Driving While Intoxicated
DWIM
Do What I Mean
DX
Distance (as in long distance radio communication)
DXT
Data eXtractT facility
E
East
E
Espionage
E911
Enhanced 911
EAA
Experimental Aircraft Association
EADAS
Engineering and Administrative Data Acquisition System
EADASNM
Engineering and Administrative Data Acquisition = System/Network=20 Management, "EADAS/NM"
EADASS
Engineering and Administrative Data AcquiSition System
EAEO
Equal Access End Office
EAFB
Edwards Air Force Base
EARN
European Academic Research Network
EAS
Engineering Administration System
EAS
Extended Announcement System
EAS
Extended Area Service
EASD
Equal Access Service Date
EASI
Enhanced Asynchronous SCSI Interface
EBCDIC
Extended Binary Coded Decimal Interchange Code
EBI
Extensive Background Investigations
EC
European Community
EC
Exchange Carrier [telephony]
ECAD
Electronical Computer Aided Design
ECAFE
Economic Commission for Africa and the Far East
ECAP
Electronic Customer Access Program
ECASS
Electronically Controlled Automatic Switching System
ECASS
Export Control Automated Support System
ECC
Enter Cable Change
ECC
Error Checking and Correcting
ECC
Error Correction Code
ECCM
Electronic Counter-CounterMeasures
ECCS
Economic C (hundred) Call Seconds
ECD
East Coast Division (Sun)
ECDO
Electronic Community Dial Office
ECF
Enhanced Connectivity Facility
ECG
ElectroCardioGram
ECL
Emitter Coupled Logic (see also TTL)
ECL
Error Correction Logic
ECLSS
Environmental Control and Life Support System [Space]
ECM
Electronic Counter Measure
ECM
European Common Market
ECMA
European Computer Manufacturers Association
ECN
Engineering Computer Network (at Purdue)
ECO
Ecological
ECO
Electronic Central Office
ECO
Engineering Change Order
ECOM
Electronic Computer Originated Mail, "E-COM"
ECPA
Electronic Communication Privacy Act
ECPT
Electronic Coin Public Telephone
ECR
Engineering Change Request
ECS
Electronic Crosconnect System
ECS
Environmental Control System
ECSA
Exchange Carriers Standards Association
ECT
ElectroConvulsive Therapy
ECV
Electric Cargo Vehicle [NASA OEXP]
EDA
Electron Donor-Acceptor
EDA
Electronic Design Automation
EDAC
Electromechanical Digital Adapter Circuit
EDD
Expert Dungeons & Dragons, "ED&D"
EDF
Electricite de France
EDGAR
Electronic Data Gathering, Analysis, and Retrieval
EDI
Electronic Data Interchange
EDIF
Electronic Design Interchange Format
EDO
Extended Duration Orbiter [Space]
EDP
Electronic Data Processing
EDS
Electronic Data Systems
EDSX
Electronic Digital Signal X-connect
EDT
Eastern Daylight Time
EDTA
Ethylene Diamine Tetraacetic Acid
EDTCC
Electronic Data Transmission Communications Central
EDV
Elektronische DatenVerarbeitung
EE
Electrical or Electronics Engineer
EEC
European Economic Community
EECT
End-to-End Call Trace
EEDP
Expanded Electronic tandem switching Dialing Plan
EEG
ElectroEncephaloGram
EEHO
Either End Hop Off
EEI
Equipment-to-Equipment Interface
EEL
Epsilon Extension Language
EEM
External Expansion Module (Sun)
EEO
Errors and Omissions Excepted, "E&EO"
EEPROM
Electrically Erasable Programmable Read Only Memory
EFD
Ellington Field, Houston TX
EFI
Electronics For Imaging (Co.)
EFIS
Electronic Flight Instrumentation System
EFRAP
Electronic Feeder Route Analysis Program
EFS
Error Free Seconds
EG
Exempli Gratia, "e.g." (for example)
EGA
Enhanced Graphics Adapter
EGP
Exterior Gateway Protocol
EGREP
Extended GREP
EGRET
Energetic Gamma Ray Experiment Telescope (on GRO)
EHF
Extremely High Frequency (30-300GHz)
EHP
Error Handling Package
EHT
Extended Hueckel Theory
EIA
Electronics Industry Association
EIN
Employer Identification Number
EINE
EINE Is Not Emacs
EIS
Environmental Impact Statement
EIS
Executive Information Systems
EIS
Expanded Inband Signaling
EIS
Extended Instruction Set
EISA
Extended Industry-Standard Architecture
EISB
Electronic Imaging Standards Board
EISS
Economic Impact Study System
EISS
European Intelligence Support System
EITS
Encoded Information TypeS
EJASA
Electronic Journal of the Astronomical Society of the = Atlantic
EKG
ElectroKardioGramm (see ECG)
EKTS
Electronic Key Telephone Sets
EL
ElectroLuminescent (as in display)
ELC
Extra(Excellent) Low Cost
ELDOR
ELectron-electron DOuble Resonance
ELF
Executable and Linking Format
ELF
Extensible Linking Format
ELF
Extremely Low Frequency
ELLE
Elle Looks Like Emacs
ELM
ELectronic Mailer
ELO
Electric Light Orchestra
ELP
Emerson, Lake and Palmer (or Powell)
ELT
Emergency Locator Transmitter
ELV
Expendable Launch Vehicle [Space]
EM
Engineering Model
EM
Enlisted Man (see EW)
EM
``Ear & Mouth''; recEive & transMit leads of a = signalling=20 system, "E&M"
EMA
Electronic Mail Association
EMA
Enterprise Management Architecture (DEC)
EMACS
Editor MACroS; Eight Megabytes And Constantly Swapping
EMAIL
Electronic MAIL, "E-MAIL"
EMBL
European Molecular Biological Laboratory
EMC
ElectroMagnetic Compatibility
EMF
ElectroMotive Force
EMI
ElectroMagnetic Interference
EML
Expected Measured Loss
EMP
ElectroMagnetic Pulse
EMPRESS
EnvironMental Pulse Radiation Environment Simulator for = Ships
EMR
ElectroMagnetic Response
EMS
Electronic Message System
EMS
Element Management System
EMS
Expanded Memory Specification
EMS
Element Management System, part of AT&T's UNMA
EMT
Emergency Medical Technician
EMU
ElectroMagnetic Unit
EMU
Extravehicular Mobility Unit [Space]
ENDOR
Electron-Nuclear DOuble Resonance
ENEA
Comitato Nazionale per la Ricerca e per lo Sviloppo dell' = Energia=20 Nuclaeare e delle Energie Alternative, Italy
ENET
Ethernet, "E-Net"
ENFIA
Exchange Network Facility for Interstate Access
ENIAC
Electronic Numerical Integrator and Calculator
ENS
ENSign
EO
End Office [telephony]
EO
Erasable Optical
EOD
Erasable Optical Disk
EOE
Electronic Order Exchange
EOE
Equal Opportunity Employer
EOF
End Of File
EOL
End Of Line
EOM
End Of Month
EOS
Earth Observing System
EOS
Electrical OverStress
EOS
Extended Operating System
EOT
End Of Transmission
EOTT
End Office Toll Trunking
EP
Emulation Program
EP
Experience Points
EP
Extended Play
EPA
Enhanced Performance Architecture
EPA
Environmental Protection Agency
EPD
Entry Products Division
EPL
Electronic switching system Program Language
EPOS
Engineering and Project-management Oriented Support = system
EPPS
Electronic Pre-Press Systems.
EPR
Electron Paramagnetic Resonance
EPR
Ethylene Propylene Rubber
EPRI
Electric Power Research Institute
EPROM
Erasable Programmable Read-Only Memory
EPS
Encapsulated PostScript
EPSCS
Enhanced Private Switched Communication Service
EPSF
Encapsulated PostScript File
EPSF
Encapsulated PostScript Format
EPSI
Encapsulated PostScript Interchange
EPT
Empire of the Petal Throne
EPTS
Electronic Problem Tracking System
EPUB
Electronic PUBlication
EPW
Enemy Prisoner of War
EQ
Educational Quotient (see IQ)
EQUEL
Embedded QUEL
ER
Emergency Room
ER
Error Register
ERA
Earned Run Average
ERA
Entity-Relationship-Attribute
ERA
Equal Rights Amendment
ERAR
Error Return Address Register
ERD
Entity-Relationship Diagram
ERE
Entity-Relationship Editor
EREP
Environmental Recording Editing and Printing
ERICA
Experiment on Rapidly Intensifying Cyclones over the = Atlantic
ERICA
Eyegaze Response Interface Computer Aid
ERISA
Employee Retirement Income Security Act
ERL
Echo Return Loss
ERP
Effective Radiated Power
ERS
Earth Resources Satellite (as in ERS-1)
ERT
Earth Resources Technology [Space]
ERU
Error Return address Update
ES
End System
ES
Expert System
ES
Extra Segment
ESA
Enterprise Systems Architecture (MVS/XA followon)
ESA
European Space Agency
ESAC
Electronic Surveillance Assistance Center
ESAC
Electronic Systems Assistance Center
ESB
Emergency Service Bureau
ESCA
Electron Spectroscopy for Chemical Analysis
ESD
ElectroStatic Discharge
ESD
Engineering Service Division
ESDI
Enhanced Standard Device Interface
ESE
East South East
ESF
Extended SuperFrame
ESF
Extended Superframe Format
ESH
End System Hello
ESI
ElectroStatic Interference
ESIS
End System-Intermediate System, "ES-IS"
ESL
Emergency Stand-Alone
ESM
Electronic Support Measures
ESM
External Storage Module (Sun)
ESMD
Embeded Storage Module Disk
ESMD
Enhanced Storage Module Device
ESN
Electronic Serial Number
ESN
Electronic Switched Network
ESO
European Southern Observatory
ESOP
Employee Stock Ownership Plan
ESP
Enhanced Service Provider
ESP
Extra Sensory Perception
ESPEC
Ethernet SPECification (DIX)
ESPRIT
European Strategic Programme of Research and Development = in=20 Information Technology
ESPS
Entropic Signal Processing System
ESR
Electron Spin Resonance
ESS
Electronic Switching System [telephony]
ESS
Environmental Stress Screening
ESSEX
Experimental Solid State EXchange
ESSX
Electronic Switching Systen eXchange
EST
Eastern Standard Time
ET
Eastern Time
ET
Electron Transfer
ET
External Tank [of the US Space Shuttle]
ET
ExtraTerrestrial [Space]
ETA
Estimated Time of Arrival
ETACC
External Tank/Aft Cargo Carrier, "ET/ACC" (see also ET)=20 [Space]
ETAS
Emergency Technical ASsistance
ETC
Et cetera, and so on...
ETD
Estimated Time of Departure
ETF
Electronic Toll Fraud
ETFD
Electronic Toll Fraud Device [telephony]
ETH
Eidgnoessiche Techniche Hochschule
ETLA
Extended Three Letter Acronym
ETN
Electronic Tandem Network
ETO
Earth-to-Orbit [Space]
ETR
Eastern Test Range
ETS
Electronic Tandem Switching
ETS
Electronic Translation System
ETSACI
Electronic Tandem Switching Adminstration Channel = Interface
ETSI
European Telecommunication Standards Institute
ETSSP
ETS Status Panel
ETV
Education TeleVision
EUC
Extended Unix Code
EUNET
European UNIX NETwork, "EUnet"
EUUG
European UNIX Users Group
EUV
Extreme UltraViolet
EUVE
Extreme UltraViolet Explorer
EVA
ExtraVehicular Activity
EVX
Electronic Voice eXchange
EW
Electronic Warfare
EW
Enlisted Woman (see EM)
EWO
Engineering Work Order
EWOS
European Workshop for Open Systems
EWS
Engineering Work Station
EXPO
World Exposition
FA
Factory Automation
FA
Finance Accounting (Sun)
FA
Football Association (British soccer)
FA
Fuse Alarm
FAA
Federal Aviation Administration (U.S.)
FAB
Feature-Advantage-Benefit
FACD
Foreign Area Customer Dialing
FACOM
Fujitsu Automatic Computer
FACS
Facilities Assignment and Control System
FAD
Flavin Adenine Diphosphate
FAE
Fuel Air Explosive
FAESHED
Fuel Air ExploSive, HElicopter Delivered
FAG
Forced Air Gas
FAI
Federation Aeronautique International
FAO
Food and Agriculture Organization [U.S. Government]
FAQ
Frequently-Asked Question(s)
FAQL
Frequently-Asked Questions List
FAR
Federal Acquisition Regulation
FAR
Federal Aviation Regulations (U.S.)
FAR
Federation of American Research
FARNET
Federation of American Research NETworks
FAS
Foreign Agricultural Service
FAS
Free Alongside Ship
FASST
Flexible Architecture Standard System Technology
FAST
Fast Auroral SnapshoT explorer
FAST
First Application System Test
FAT
File Allocation Table
FAT
Foreign Area Translation
FAX
FAcsimile
FB
Freight Bill
FBI
Federal Bureau of Investigation [U.S. Government]
FBO
Fixed-Base Operator
FBV
a Dutch acronym for "Fluke, Ltd."
FC
Full Color
FCAP
Facility CAPacity
FCB
File Control Block
FCC
Federal Communications Commission [U.S. Government]
FCC
Federal Computer Conference
FCC
Forward Command Channel
FCCSET
Federal Coordinating Council for Science, Education and = Technology=20 (under OSTP)
FCFS
First Come, First Served
FCG
False Cross or Ground
FCO
Field Change Order
FCRC
Federal Contract Research Center
FCS
File Control Systemction
FCS
First Customer Ship (SunOS Releases)
FCS
Frame Check/Control Sequence
FCT
Four Corner Test (4FCT)
FD
File Descriptor
FD
Floppy/Flexible Disk(ette)/Drive
FDA
Food and Drug Administration [U.S. Government]
FDC
Floppy Disk Controller
FDDI
Fiber Distributed Data Interface
FDDIII
FDDI supporting isochronous traffic, "FDDI-II"
FDHD
Floppy Drive High Density
FDIC
Federal Deposit Insurance Corporation [U.S. = Government]
FDL
File Definition Language
FDM
Frequency-Division Multiplexing
FDP
Field Development Program
FDR
Franklin Delano Roosevelt
FDX
Full DupleX
FE
Format Effecters
FE
Front End
FEA
Finite Element Analysis
FEC
Forward Error Correction
FED
Far End Data
FEDSIM
FEDeral Systems Integration and Management center
FEHQ
Fluke European HeadQuarters
FEM
Finite Element Modeling
FEMA
Federal Emergency Management Agency
FEMF
Foreign Electro-Motive Force
FEP
Fluorinated Ethylene Propylene
FEP
Front End Processor
FEPC
Fair Employment Practices Commission
FEPS
Facility and Equipment Planning System
FERS
Federal Employees Retirement System
FET
Far East Trading
FET
Federal Excise Tax
FET
Field Effect Transistor
FEV
Far End Voice
FF
Flip-Flop
FFA
Field Failure Analysis
FFA
Future Farmers of America
FFRDC
Federally Funded Reseach and Development Center
FFS
Fast File System
FFT
Fast Fourier Transform
FGA
Feature Group A, "FG-A" [telephony:Line Side term. for LD=20 carriers]
FGB
Feature Group B, "FG-B" [telephony:Trunk Side term. for LD = carriers (aka ENFIA B), 950 service]
FGC
Feature Group C, "FG-C" [telephony]
FGD
Feature Group D, "FG-D" [telephony:Trunk Side term. for LD = carriers, 1+ service]
FGREP
Fixed GREP
FGS
Fine Guidance Sensors (on HST)
FHA
Federal Housing Administration
FHA
Future Homemakers of America
FHLMC
Federal Home Loan Mortgage Association (Freddie Mac)
FHMA
Federal Home Mortgage Association (Fannie Mae)
FHST
Fixed Head Star Trackers (on HST)
FIB
Focused Ion Beam
FICA
Federal Insurance Contributions Act
FID
Free Induction Decay
FIDO
Fog Investigation Dispersal Operation
FIFO
First In, First Out
FILO
First In, Last Out
FIMS
Forms Interface Management System
FIN
Field Information Notice
FINE
FINE Is Not Emacs
FIO
Frequency In and Out
FIOC
Frame Input/Output Controller
FIP
Facility Interface Processor
FIPS
Federal Information Processing Standard
FIR
Far InfraRed
FIR
Field Information Report
FIR
Finite Impulse Response
FIRMR
Federal Information Resource Management Regulation
FIT
Federal Information Technologies, inc.
FITS
Flexible Image Transport System
FL
Florida
FLACC
Full Level Algol Checkout Compiler
FLOP
FLoating point OPeration
FLOPS
FLoating-point OPerations per Second
FLRA
Federal Labor Relations Authority
FLS
Floating License Server
FLT
Front Load Tape
FM
Frequency Modulation
FMAC
Facility Maintenance And Control
FMB
Federal Maritime Board
FMC
Flexible Manufacturing Cell
FMCS
Federal Mediation and Conciliation Service
FMEA
Failure Mode and Effect Analysis
FMR
Field Marketing Representative (Sun)
FMS
Fieldbus Message Specification
FMS
Financial Management Service (Treasury Dept)
FMS
Flexible Machining/Manufacturing System
FMS
Forms Management System
FNC
Federal Networking Council
FNPA
Foreign Numbering Plan Area
FO
Forecast Order
FO
Foreign Office
FO
Forward Observer
FOAC
Federal Office Automation Center
FOB
Free On Board
FOC
Faint Object Camera (on HST)
FOC
Fiber Optic Communications
FOC
Free Of Charge
FOCSY
FOldover Corrected SpectroscopY
FOIA
Freedom Of Information Act
FOIMS
Field Office Information Management System
FOIRL
Fiber Optic Inter Repeater Link
FON
Fiber Optics Network
FOOBAR
See FUBAR
FOR
Free On Rail
FORCS
Faa's Operational Reporting Communication System
FORD
Fix Or Repair Daily
FORD
Found On Road Dead
FORTRAN
FORmula TRANslator
FOS
Faint Object Spectrograph (on HST)
FOSE
Federal Office Systems Exposition
FOT
Fiber Optic Transceiver
FOT
Free On Truck
FOV
Field Of View
FPA
Floating Point Accelerator
FPC
Fish Protein Concentrate
FPC
Floating Point Coprocessor
FPDU
FTAM Protocol Data Unit
FPE
Floating Point Engine
FPE
Foam PolyEthylene
FPHA
Federal Public Housing Authority
FPLA
Field Programmable Logic Array (see PLA)
FPM
Feet Per Minute
FPO
Fleet Post Office
FPP
Floating Point Processor
FPS
Favorite Play Sequence
FPS
Feet Per Second
FPS
Foot-Pound-Second
FPU
Floating Point Unit
FQDN
Fully-Qualified Domain Name
FR
Flat Rate
FR
Frame Relay
FRACTAL
FRACTional dimensionAL
FRAM
Ferroelectric RAM
FRB
Federal Reserve Board
FRD
Fire RetarDant
FRED
Fred Resembles Emacs Deliberately
FREE
Fathers Rights and Equality Exchange
FRG
Federal Republic of Germany (West Germany)
FRICC
Federal Research Internet Coordinating Committee
FROG
Free Rocket Over Ground
FRPG
Fantasy Role Playing Game
FRR
Flight-Readiness Review
FRS
Federal Reserve System
FRS
Flexible Route Selection
FRU
Field Replacable Unit
FS
Field Service
FS
File System
FS
Fine Structure
FS
Floppy System
FSCM
Federal Supply Code for Manufactures
FSDO
Flight Standards District Office
FSE
Field Service Engineer
FSF
Free Software Foundation
FSK
Frequency Shift Keying
FSLIC
Federal Savings and Loan Insurance Corporation
FSS
Fast System Switch (System V)
FSS
Federal Supply Service
FSS
Flight Service Station
FSU
Florida State University
FSU
Former Soviet Union
FSW
Forward Swept Wings
FT
Foot
FT
Fourier Transform
FT1
fractional T1, common carrier transmission in multiples of = 64=20 kb/s
FTAM
File Transfer, Access, and Management (ISO FTP = equivalent)
FTC
Federal Trade Commission
FTE
Factory Test Equipment
FTG
Final Trunk Group
FTL
Faster Than Light
FTP
File Transfer Protocol
FTPI
Flux Transitions Per Inch
FTS
Federal Telecommunications System [US Government]
FTS
Federal Telephone System [telephony]
FTS
Flight Telerobotic Servicer [Space]
FTW
File Tree Walk
FTZ
FernmeldeTechnisches Zentralamt
FTZ
Free Trade Zone
FUBAR
F***ed Up Beyond All Recognition
FUD
Fear, Uncertainty, and Doubt
FUS
Full-Use Standard
FUSE
Far Ultraviolet Spectroscopic Explorer
FV
folio verso, "fv" (on the back of the page)
FW
Fringeworthy
FWD
Front Wheel Drive
FWHM
Full Width at Half Maximum
FWIW
For What It's Worth
FX
Foriegn eXchange [telephony]
FX
special effects
FY
Fiscal Year
FYA
For Your Action
FYI
For Your Information
FYS
For Your Signature
G
Gravity
GA
Gamblers Anonymous
GA
General Assembly
GA
General Average
GA
General of the Army
GA
Georgia
GAAP
Generally Accepted Accounting Principles
GAAS
Gallium Arsenide, "GaAs"
GAB
Group Audio Bridging [telephony]
GADO
General Aviation District Office
GAIA
Earth's self-sustaining Biosphere, "Gaia"
GAIA
GUI Application Interoperability Architecture
GAL
Generic Array Cell
GAN
Global Area Network
GAO
General Accounting Office
GAR
Grand Army of the Republic
GAS
Get-Away Special
GATED
GATEway Deamon
GATT
General Agreement on Tariffs and Trade
GAW
Guaranteed Annual Wage
GB
Gangbusters
GB
GigaByte
GB
Great Britain
GBIP
General Purpose Interface Bus
GBS
Group Bridging Service
GBT
Green Bank Telescope
GC
Garbage Collection (LISP)
GC
Gas Chromatograph(y)
GC
Graphic Context
GCA
General Communications Architecture (Ingres)
GCA
Ground Controlled Approach
GCC
Gnu C Compiler
GCD
Ground Controlled Descent
GCL
Graphics Command Language
GCM
General Court Martial
GCR
Group-Coded Recording (magnetic tape, 6250 bpi)
GCS
Group Control System
GCT
Greenwich Civil Time
GCVS
General Catalog of Variable Stars
GDB
Gnu DeBugger
GDI
Graphical Display Interface
GDOS
Graphics Device Operating System
GDP
Gross Domestic Product
GDS
Great Dark Spot
GDT
Global Descriptor Table
GE
General Electric
GECOS
General Electric Comprehensive Operating System
GECR
Global Environmental Change Report
GEIS
General Electric Information Systems
GEISCO
General Electric Information Services COmpany
GEM
Giotto Extended Mission
GEM
Graphics Environment Manager
GEMS
General Electric Medical Systems
GEO
Geosynchronous Earth Orbit [Space]
GFCI
Ground Fault Circuit Interrupter
GGP
Gateway-to-Gateway Protocol
GHQ
General HeadQuarters
GHRS
Goddard High Resolution Spectrograph (on HST)
GHZ
Giga HertZ, "GHz" (unit of frequency, 1,000,000,000 cycles = per=20 second)
GI
Galvanized Iron
GI
Gastro Intestinal
GI
General Issue
GI
Government Issue
GID
Group IDentity
GIF
Graphics Interchange Format
GIGO
Garbage In, Garbage Out
GIN
Graphics INput
GISS
Goddard Institute for Space Studies
GJIAGDVYFCN
Go Jump In a God Damned Volcano, You Fucking Cave Newt=20 (talk.bizarre)
GKS
Graphical Kernel Standard
GKSM
GKS Metafile
GL
Graphic Library
GLOMR
Global Low-Orbiting Message Relay
GM
Game Master
GM
General Manager
GM
General Motors
GM
Guided Missile
GMBH
Gesellschaft Mit Beschraenkter Haftung
GMC
Giant Molecular Cloud
GMD
Gesellschaft fuer Mathematik und Datenverarbeitung
GMRT
Giant Meter-wave Radio Telescope
GMT
Greenwich Mean Time
GMW
Give me More Windows
GND
GrouND
GNMA
Government National Mortgage Association (Ginnie Mae)
GNP
Gross National Product
GNU
GNU's Not Unix
GOES
Geostationary Orbiting Environmental Satellites
GOK
God Only Knows
GOP
Grand Old Party
GOS
Grade Of Service
GOSIP
Government Open Systems Interconnection Profile
GOX
Gaseous OXygen
GP
General Practitioner
GP
Grand Prix
GP
Graphics Processor
GP
Group Processor
GPC
General Purpose Computer
GPCI
Graphics Processor Command Interface
GPD
Graphics Products Division
GPI
Graphics Programming Interface
GPIB
General-Purpose Interface Bus
GPL
GNU Public License
GPL
General Public License
GPL
Graphics Programming Language
GPM
Gross Product Margin
GPO
General Post Office
GPO
Government Printing Office
GPS
General Problem Solver
GPS
Global Positioning System [Space]
GPSI
Graphics Processor Software Interface
GPSS
General Purpose System Simulator
GQ
General Quarters
GRASS
Geographical Resources Analysis Support System
GRB
Gamma Ray Burst(er)
GRD
GRounD
GREP
Global Regular Expression Print, g/re/p, (UNIX = command)
GRI
Graduate, Realtors Institute
GRIPS
Government Raster Image Processing Software
GRO
Gamma Ray Observatory [Space]
GROPE
Graphical representation of protocols in Estelle
GRPMOD
GRouP MODulator, "GRP MOD"
GRS
Gamma Ray Spectrometer (on Mars Observer)
GRS
Great Red Spot
GS
General Schedule
GS
Glide Slope
GS
Gray-Scale
GSA
General Services Adminstration [U.S. Government]
GSA
Girl Scouts of America
GSA
Government Services Administration
GSAT
General telephone and electronics SATellite = corporation
GSBCA
General Services administration Board of Contract = Appeals
GSC
Guide Star Catalog (for HST)
GSFC
Goddard Space Flight Center (Greenbelt, MD) [NASA]
GSTS
Ground-based Surveillance and Tracking System
GT
Gross Ton
GT
Group Technology
GTC
General Telephone Company
GTE
General Telephone and Electric [Corporate name]
GTO
Gaussian Type Orbital
GTO
Geostationary Transfer Orbit
GTSI
Government Technology Services, inc.
GTT
Global Title Transmission
GUI
Graphical User Interface
GUIDE
Graphical User Interface Design Editor (Sun)
GUS
Guide to the Use of Standards (SPAG publication)
GUUG
German UNIX Users Group
GW
Gamma World
GWEN
Ground Wave Emergency Network
GWS
Graphics Work Station
H
Harn
H
Height
HA
Home Automation
HACD
Home Area Customer Dialing
HAL
Hard Array Logic
HAL
Hardware Abstraction Layer
HAL
Heuristically programmed ALgorithmic computer (2001)
HAM
Hold And Modify
HANFS
Highly Available Network File System
HAO
High Altitude Observatory
HAP
Host Access Protocol
HARM
High-Availability, Reliability, and Maintainability
HASP
Houston Automated Spooling Program
HAT
Hashed Address Table
HB
HemogloBin, "Hb"
HBA
Host Bus Adapter (SCSI)
HBM
Her British Majesty; His British Majesty
HBO
Home Box Office
HC
Holy Communion
HC
House of Commons
HCF
Halt and Catch Fire
HCFA
Health Care Financing Administration
HCL
High Cost of Living
HCL
Host Control Links
HCR
Hodge Computer Research, inc.
HCSDS
High-Capacity Satellite Digital Service
HCTDS
High-Capacity Terrestrial Digital Service
HD
Hard Disk
HD
Heavy Duty
HD
Henry Draper catalog entry
HD
High Density
HDA
Head Disk Assembly (in winchester disk drives)
HDBV
Host Data Base View
HDL
High Density Lipoprotein
HDLC
High-level Data Link Control
HDN
Hochgeschwindigkeits-DatenNetz
HDTV
High Definition TeleVision
HDX
Half DupleX
HE
His Eminence; His Excellency
HEAO
High Energy Astronomical Observatory [satellite]
HEAP
Home Energy Assistance Program
HEDM
High Energy-Density Matter [Space]
HEHO
High End Hop Off
HEM
High-level Entity Management
HEMP
Help End Marijuana Prohibition
HEMS
High-level Entity Management System
HEMT
High Electron Mobility Transistor
HEO
High Earth Orbit [Space]
HEP
High Energy Physics
HERA
HErmes Robotic Arm, "HeRA"
HERO
Hazards of Electromagnetic Radiation to Ordnance
HETCOR
HETeronuclear chemical-shift CORrelation
HF
Hawthorne Farms (Intel)
HF
High Fantasy
HF
High Frequency (3-30MHz)
HFC
HyperFine (splitting) Constant
HFE
Human Factors Engineering
HFS
Hierarchical File System (Apple Macintosh)
HFS
HyperFine Splitting
HGA
High Gain Antenna
HGC
Hercules Graphics Card
HI
Hawaii
HIC
Hybrid Integrated Circuit
HIFO
Highest-In, First-Out
HIIPS
Hud Integrated Information Processing Services
HIPPI
High Performance Peripheral Interface
HIPPI
HIgh Performance Parallel Interface
HIRES
HI-RESolution
HIS
Honeywell Information System
HIV
Human Immuno-deficiency Virus
HLC
Heavy Lift Capability [Space]
HLHSR
Hidden Line & Hidden Surface Removal
HLL
High-Level Language
HLV
Heavy Lift Vehicle [Space]
HM
High-resolution Monochrome
HMA
High Memory Area
HMC
Halley Multicolor Camera (on Giotto)
HMO
Hueckel Molecular Orbital
HMOS
High performance Metal Oxide Semiconductor (see MOS)
HMP
Host Monitoring Protocol
HMPA
HexaMethylPhosphorAmide (HMPT)
HMPT
HexaMethylPhosphoric Triamide
HMS
His/Her Majesty's Ship
HMT
His/Her Majesty's Transport
HNPA
Home Numbering Plan Area [telephony]
HNS
Hospitality Network Service
HOBIC
HOtel Billing Information Center
HOBIS
HOtel Billing Information System
HOESY
Heteronuclear Overhauser Enhancement SpectroscopY
HOL
High-Order System
HOMO
Highest Occupied Molecular Orbital
HOTOL
HOrizontal Take-Off and Landing
HOW
Home Owners Warranty
HP
Hewlett-Packard, inc. [Corporate name]
HP
High Pressure
HP
Higher Power (sort of an AA "in" term, usually God)
HP
Hit Points
HP
HorsePower
HPD
High Performance Division (Sun group)
HPFS
High Performance File System (OS/2)
HPGE
High Purity Germanium
HPGL
Hewlett Packard Graphics Language
HPIB
Hewlett-Packard Interface Bus
HPLC
High-Performance Liquid Chromatography
HPLT
High-Productivity Languages/Tools, "HPL/T"
HPN
White Plains NY
HPO
High Performance Option
HPPA
HP Precision Architecture
HQ
HeadQuarters
HR
Hertzsprung-Russell (diagram)
HR
House of Representatives
HR
Human Resources
HRH
Her/His Royal Highness
HRI
High Resolution Imager (on ROSAT)
HS
High School
HSB
Hue, Saturation, Brightness
HSC
Hierarchical Storage Controller
HSFS
High Sierra File System
HSI
High Speed Interface
HSI
Horizontal Situation Indicator
HSLN
High Speed Local Network
HSP
High Speed Photometer (on HST)
HSSDS
High-Speed Switched Digital Service
HST
Hawaiian Standard Time
HST
High Speed Technology
HST
Hubble Space Telescope
HT
High Tension (as in electric power transmission)
HT
Horizontal Tab
HTK
Hits To Kill
HU
High Usage
HUAC
House Unamerican Activities Committee
HUD
Heads Up Display
HUD
Housing and Urban Development [U.S. Government]
HUGE
Hewlett-packard Unsupported Gnu Emacs
HUT
Hopkins Ultraviolet Telescope (ASTRO package)
HUTG
High Usage Trunk Group
HV
High Voltage
HVAC
Heating, Ventilation, and Air Conditioning
HW2000
Highway 2000
HWD
Hayward CA
HWM
High-Water Mark
HZ
HertZ, "Hz" (unit of frequency, cycles per second)
I18N
InternationalizatioN (count the letters)
IA
Inspection Authorization
IAB
Interactive Application Builder
IAB
Internet Activities Board
IAD
Dulles International, Washington DC
IAEA
International Atomic Energy Agency
IAH
Houston (Intercontinental) TX
IANA
Internet Assigned Numbers Authority
IAPPP
International Amateur/Professional Photoelectric = Photometry
IATA
International Air Transport Association
IAU
International Astronomical Union
IAUC
IAU Circular
IB
Instruction Buffer
IBM
Ingrained Batch Mentality
IBM
International Brotherhood of Magicians
IBM
International Business Machines [Corporate name]
IBM
Itty Bitty Machines
IBN
Integrated Business Network
IC
Independent Carrier
IC
Integrated Circuit
IC
Inter-LATA Carrier
IC
Interexchange Carrier [telephony] (see also IEC)
ICAN
Individual Circuit ANalysis
ICB
Interstate Computer Bank
ICBM
InterContinental Ballistic Missile
ICBW
I Could Be Wrong
ICC
Interstate Commerce Commission
ICCC
Inter-Client Communication Convention (X)
ICCCM
Inter-Client Communication Conventions Manual
ICD
Interactive Call Distribution
ICE
In-Circuit Emulator
ICE
International Cometary Explorer
ICE
Intrusion Countermeasures Electronics
ICI
Imperial Chemical Industries
ICJ
International Court of Justice
ICL
International Computers Limited
ICLID
Individual Calling Line ID
ICM
Integrated Call Management
ICMP
Internet Control Message Protocol
ICON
Inter CONtinental
ICP
Integrated Channel Processor
ICP
Inventory Control Points
ICRC
International Cosmic Ray Conference
ICSC
Inter-LATA Customer Service Center
ICST
Institute for Computer Science and Technology
ICT
In-Circuit Test
ICT
Interactive Consumer Terminal
ID
IDentification
ID
Idaho
IDA
Intercommunication Data Areas
IDA
International Dark-sky Association
IDA
International Development Association
IDC
Insulation Displacement Contact
IDDD
International Direct Distance Dial [telephony]
IDE
Integrated Development Environment
IDE
Integrated Drive Electronics
IDE
Interactive Development Environments, inc
IDEA
International Dance Exercise Association
IDEA
Internet Design, Engineering, and Analysis notes (IETF = RFCs)
IDF
Intermediate Distributing Frame [telephony]
IDI
Initial Domain Identifier
IDL
Interactive Data Language
IDL
Interface Description Language
IDM
Image Data Manager
IDP
Initial Domain Part
IDP
Internet Datagram Protocol (XNS equivalent to IP)
IDS
Internal Directory System
IDV
Interlibrational Derived Vehicle [Space]
IDVC
Integrated Data/Voice Channel
IE
Id Est (that is)
IE
Id Est, "i.e." (that is)
IE
Indo-European
IE
Inter Ethernet
IEC
InterExchange Carrier [telephony] (see also IC)
IEC
International Electrotechnical Commission
IEE
Institute of Electrical Engineers (UK)
IEEE
Institute of Electrical and Electronics Engineers
IEN
Internet Engineering Notes
IEN
Internet Experiment Notebook (precedes RFCs)
IESG
Internet Engineering Steering Group
IETF
Internet Engineering Task Force
IF
InterFace, "I/F"
IF
Intermediate Frequency
IFB
Invitation For Bids
IFC
International Finance Corporation
IFC
International Freighting Corporation
IFF
Identification - Friend or Foe
IFF
Image File Format
IFF
Interchange File Format
IFF
Iterative Function Fractal
IFIP
International Federation for Information Processing
IFLA
International Federation of Library Associations
IFR
Instrument Flight Rules
IFRPS
Intercity Facility Relief Planning System
IGES
Initial Graphics Exchange Standard
IGM
InterGalactic Medium
IGMP
Internet Group Multicast Protocol
IGP
Interior Gateway Protocol
IGY
International Geophysical Year
IHP
Indicated HorsePower
IHS
Integrated Hospital Support
IIA
Information Industry Association
IIE
Institute of Industrial Engineers
IIHF
International Ice Hockey Federation
IIL
Integrated Injection Logic
IIN
Integrated Information Network
IISPB
Image and Information Standards Policy Board
ILO
International Labor Organization
ILS
Instrument Landing System
ILV
Industrial Launch Vehicle [Space]
IM
Installation & Maintenance, "I&M"
IM
Interface Module
IMAP
Interactive Mail Access Protocol
IMAP3
Interactive Mail Access Protocol - Version 3
IMAS
Integrated Mass Announcement System
IMC
Instrument Meteorological Contitions
IMD
Industry Marketing Development
IMF
International Monetary Fund
IMHO
In My Humble Opinion [net jargon]
IMM
Input Message Manual
IMP
Interface Message Processor [ARPANET/MILNET] (replaced by = PSN)
IMPACT
Inventory Management Program and Control Technique
IMS
Integrated Management System
IMSA
International Motor Sports Association
IMSL
International Mathematical Subroutine Library
IMSO
Integrated Micro Systems Operation (Intel)
IMSVS
Information Management System/Virtual Storage, = "IMS/VS"
IMT
Image Management Terminal
IMT
Inter-Machine Trunk
IMTS
Improved Mobile Telephone Service
IN
Indiana
IN
Intelligent Network
INADEQUATE
Incredible Natural Abundance Double-QUAntum Transfer=20 Experiment
INADS
INitialization and ADministration System [telephony]
INC
InterNational Carrier
INDO
Intermediate Neglect of Differential Overlap
INDOR
INternuclear DOuble Resonance
INEPT
Insensitive Nucleus Enhancement by Polarization = Transfer
INGRES
Interactive Graphic Retrieval System
INL
Inter Node Link
INMS
integrated network management system, part of AT&T's = UNMA
INN
Inter Node Network
INOC
Internet Network Operations Center
INRI
Iesus Nazerenus Rex Iudaeorum (Jesus of Nazareth, King of = the=20 Jews)
INRIA
Institut National de Recherche en Informatique et = Automatique
INS
Immigration and Naturalization Service
INS
Inertial Navigation System
INS
Information Network System
INSTITUTE
INSTITUTE's Name Shows That It's Totally Unrelated To = EMACS
INTAP
INteroperability Technology Association for information=20 Processing
INTELSAT
INternational TELecommunications SATellite consortium
INWATS
INward Wide Area Telephone Service [telephony]
IO
Input/Output (sometimes I/O)
IO
Input/Output, "I/O"
IO
Inward Operator
IOC
Input/Output Computer (Aptec)
IOC
Input/Output Controller
IOC
International Operating Center [telephony, US]
IOCC
International Overseas Completion Center
IOD
Identified Outward Dialing
IONL
Internal Organization of the Network Layer
IOOF
International Order of Odd Fellows
IOP
Input-Output Processor
IOT
InterOffice Trunk
IOTA
Infrared-Optical Telescope Array
IOTA
International Occultation Timing Association
IOU
I Owe you (U)
IOW
In Other Words
IP
Industrial Products
IP
Information Provider [telephony]
IP
Innings Pitched
IP
Instruction Pointer
IP
Intermediate Point
IP
Internet Protocol
IPC
Integrated Personal Computer
IPC
InterProcess Communication
IPC
Inventory Process Control
IPCC
Intergovernmental Panel on Climate Change
IPCE
InterProcess Communication Environment
IPCS
Interactive Problem Control System
IPDU
Internet Protocol Data Unit
IPE
Integrated Programming Environment
IPI
Intelligent Peripheral Interface
IPL
Initial Program Load
IPLAN
Integrated PLanning And Analysis
IPM
Impulses Per Minute
IPM
Interruptions Per Minute
IPMS
InterPersonal Message Services
IPO
Initial Public Offering
IPO
International Procurement Office
IPS
Inches Per Second
IPS
Inertial Pointing System
IPS
Information Processing Standards
IPSE
Integrated Project-Support Environment
IPT
Williamsport PA
IPX
Internetwork Packet exchange (of Novell Inc.)
IPXSPX
Internet Packet eXchange/Sequenced Packet eXchange = (Novell),=20 "IPX/SPX"
IQ
Intelligence Quotient (see EQ)
IQR
Inquiry
IR
Index Register
IR
Information Resource
IR
InfraRed
IR
Internetwork Router
IRA
Individual Retirement Account
IRA
Interprocedural Register Allocation
IRA
Irish Republican Army
IRAF
Image Reduction and Analysis Facility
IRAS
Infrared Astronomical Satellite
IRBM
Intelligent Repeater Bridge Module
IRBM
Intermediate Range Ballistic Missile
IRC
International Record Carrier
IRC
Internet Relay Chat
IRD
Investment Recovery Department
IRDS
Information Resource Dictionary Standard
IRDS
InfraRed Detection Set
IRE
Institute of Radio Engineers (old name for the now IEEE, = q.v.)
IRG
InterRecord Gap
IRM
Information Resources Management
IRM
Intelligent Repeater Module
IRMS
Information Resources Management Service
IRN
Intermediate Routing Node
IROR
Internal Rate Of Return
IRQ
Interrupt ReQuest
IRS
Inertial Reference System
IRS
Internal Revenue Service
IRSG
Internet Research Steering Group
IRTF
Internet Research Task Force
IS
Information Separator
IS
Information Systems
IS
Intermediate System
IS
International Standard
IS
Interrupt Set
ISA
Industry-Standard Architecture
ISAM
Indexed Sequential Access Method
ISAS
Institute of Space and Astronautical Science (Japan)
ISBD
International Bibliographic Description
ISBN
International Standard Book Number
ISC
Information Services Center
ISC
Interactive Systems Corporation
ISC
International Switching Center
ISCH
Interstitial-Cell-Stimulating Hormone (same as LH)
ISDN
Integrated Services Digital Network
ISDT
Integrated Systems Development Tool
ISEE
International Sun Earth Explorer (usually ISEE-3)
ISF
Information Systems Factory
ISFUG
Integrated Software Federal User Group
ISH
Intermediate System Hello
ISI
Information Sciences Institute (at USC)
ISIS
Intermediate System to Intermediate System, "IS-IS"
ISLM
Integrated Services Line Module
ISLU
Integrated Services Line Unit
ISM
InterStellar Medium
ISN
Information Systems Network
ISN
Integrated Systems Network
ISO
Infrared Space Observatory
ISO
International Standards Organization
ISODE
ISO Development Environment
ISOO
Information Security Oversight Office
ISOP
Incentive Stock Option Plan
ISPM
International Solar Polar Mission
ISR
Institute of Snow Research
ISRG
Independent Space Research Group
ISS
Integrated Switching System
ISSI
Information Security Systems Inc.
ISSN
Integrated Special Services Network
ISSN
International Standard Serial Number
IST
Initial System Test
ISUP
Integrated Services User Part
ISV
Independent Software Vendor
ISV
Instantaneous Speed Variation
ISY
International Space Year
IT
Industrial Technology
IT
Information Technology
ITC
Independent Telephone Company
ITC
Inter-Task Communication
ITM
Information Technology Management
ITS
Incompatible Timesharing System
ITS
Institute of Telecommunication Science
ITSEC
Information Technology Security Evaluation Criteria
ITSO
Incoming Trunk Service Observation
ITT
International Telephone and Telegraph
ITU
International Telecommunications Union
ITUSA
IT Users Standards Association
IU
Integer Unit
IUE
International Ultraviolet Explorer
IUS
Inertial Upper Stage [Space]
IUV
Interlibrational Utility Vehicle [Space]
IVDT
Integrated Voice/Data Terminal
IVP
Installation Verification Program
IVTS
International Video Teleconferencing Service
IWBNI
It Would Be Nice If
IWC
Inside Wire Cable
IWS
Intelligent Work-Station
IWW
International Workers of the World
IX
Interactive eXecutive
IXC
IntereXchange Carrier (aka LD)
IXM
IntereXchange Mileage
JACM
Journal of the Association for Computing Machinery
JAL
Japan Airline
JANET
Joint Academic Network (U.K.)
JBS
John Birch Society
JC
Jesus Christ
JC
Joint Compound (plumbing)
JC
Julius Caesar
JC
Junior College
JCA
Jewelry Crafts Association
JCAC
Joint Civil Affairs Committee
JCAE
Joint Committee on Atomic Energy
JCAMP
Joint Committee on Atomic and Molecular Physical data
JCEE
Joint Council on Economic Education
JCET
Joint Council on Educational Television
JCL
Job Control Language
JCS
Joint Chiefs of Staff
JD
Justice Department
JDS
John Dewey Society
JECC
Japan Electronic Computer Company
JEIDA
Japan Electronics Inderstry Development Association
JEM
Japanese Experiment Module (for SSF)
JES
Job Entry System
JES
John Ericsson Society
JESUS
Job Entry System of the University of Saskatuan
JFET
Junction FET
JFIF
JPEG File Interchange Format
JFK
John F. Kennedy (and the international airport)
JFMIP
Joint Financial Management Improvement Program
JFS
Next Generation of JLE
JGR
Journal of Geophysical Research
JI
Justice, Inc.
JIC
Joint Industry Council
JIC
Joint Intelligence Center
JIC
Just in Case
JILA
Joint Institute for Laboratory Astrophysics
JIM
Job Information Memorandum
JINTACCS
Joint INteroperability of TActical Command and Control = Systems
JIS
Japan Industrial Standards
JISC
Japanese Industrial Standards Committee
JIT
Just In Time
JLE
Japanese Language Enveronment
JMS
John Milton Society
JMX
Jumbogroup MultipleX
JO
Job Order
JO
Junior Officer
JOAT
Jack Of All Trades
JOVE
Jonathan's Own Version of Emacs
JOVIAL
Jules Own Version of the International Algorithmic = Language
JPEG
Joint Photographic Experts Group
JPL
Jet Propulsion Laboratory
JRC
Junior Red Cross
JSC
Johnson Space Center (NASA)
JSD
Jackson System Development
JSN
Junction Switch Number
JSRC
Joint Services Review Committee
JST
Japan Standard Time
JSW
Junctor SWitch
JTIDS
Joint Tactical Information Distribution Systems
JTM
Job Transfer and Manipulation
JUNET
Japan UNIX Network
JV
Junior Varsity
JVNC
John von Neumann (Super Computer) Center, "JvNC"
JVNCNET
John von Neumann (Super Computer) Center network, = "JvNCnet"
K
Kilobit
K9
canine (K9 corps - army dogs)
KAO
Kuiper Airborne Observatory
KAOS
Killing as Organized Sport
KB
Key Board
KB
KiloByte
KBPS
KiloBits Per Second
KBS
Knowledge-Based System
KC
King's Counsel (QC when queen reigning)
KC
Knights of Columbus
KCL
Kyoto Common Lisp
KD
Kiln Dried
KD
Knocked Down; Knock-Down
KDCI
Key Display Call Indicator
KDD
Kokusai Denshin Denwa Co.
KDT
Keyboard Display Terminal
KERMIT
Kl-10 Error-free Reciprocal Micro Interconnect over Tty = lines
KFT
KiloFeeT
KGB
Komitet Gosudarstvennoi Bezopaznosti
KHz
Kilo HertZ (unit of frequency, 1000 cycles per second)
KI
Kiwanis International
KI
Kuenstliche Intelligenz
KIA
Killed In Action
KIAS
Knot Indicated Air Speed
KIF
Key Index File
KIP
Kinetics IP
KIPS
Kawasaki Integrated Power-valve System
KISS
Keep it simple, stupid
KLIPS
thousands of Logical Inferences Per Second
KLOC
thousands of Lines Of Code
KO
Knock Out
KOWC
Key Word Out of Context
KP
Key Pulse [telephony]
KP
Kitchen Police
KPNO
Kitt Peak National Observatory
KPO
KeyPunch Operator
KQC
King's College London
KR
Kernighan and Ritchie, the c programming language, = "K&R"
KS
King's Scholar
KSC
Kennedy Space Center (NASA)
KSF
Key Success Factor
KSH
Korn SHell
KSR
Keyboard Send-Receive
KSU
Key System Unit [telephony]
KTB
Cretaceous-Tertiary Boundary (from German)
KTS
Key Telephone System [telephony]
KTU
Key Telephone Unit [telephony]
KWIC
Key Word In Context
KY
Kentucky
L1
Lagrange Point #1 35,000 Miles above moon [Space]
L2
Lagrange Point #2 40,000 Miles behind moon [Space]
L3
Lagrange Point #3 (?? 35,000 Miles below moon) [Space]
L4
Lagrange Point #4 240,000 mile Earth orbit [Space]
L5
Lagrange Point #5 240,000 mile Earth orbit [Space]
LA
Los Angeles
LA
Louisiana
LA
Low Altitude
LAB
Labor
LAC
Loop Assignment Center
LADAR
LAser Detection And Ranging
LADT
Local Access Data Transport
LAIS
Local Automatic Intercept System
LAL
Local Analog Loopback
LAM
Master of Liberal Arts
LAMA
Local Automatic Message Accounting [telephony]
LAN
Local Apparent Noon
LAN
Local Area Network
LANCE
Local Area Network Controller for Ethernet
LANL
Los Alamos National Laboratory
LAP
Link Access Procedure
LAPB
Link Access Procedure - Balanced (X.25)
LAPD
Link Access Procedure on the D channel
LAPD
Los Angeles Police Department
LAPM
Link Access Procedure for Modems
LAR
Local Acquisition Radar
LARC
Langley Research Center, "LaRC" [NASA]
LASER
Light Amplification by Stimulated Emission of = Radiation
LASS
Local Area Signaling Service
LAT
Local Apparent Time
LAT
Local Area Transport (DEC)
LATA
Local Access Transport Area
LATIS
Loop Activity Tracking Information System
LAVC
Local Area VAX Cluster
LAX
Los Angeles International Airport
LB
Light Bomber
LB
pound (LiBra)
LBHS
Long Beach High School
LBL
Lawrence Berkeley Labs
LBO
Line Buildout
LBS
Load Balance System
LBS
Pounds
LC
Lower Case, "l.c."
LC
inductor-Capacitor circuit (as in filters, L is symbol=20 inductance)
LCA
Logic Cell Array
LCAMOS
Loop CAble Maintenance Operation System
LCAO
Linear Combination of Atomic Orbitals
LCCIS
Local Common Channel Interoffice Signaling
LCCL
Line Card CabLe
LCCLN
Line Card Cable Narrative
LCD
Liquid Crystal Display
LCD
Lowest Common Denominator
LCDN
Last Called Directory Number
LCDR
Lieutenant Commander
LCIE
Lightguide Cable Interconnection Equipment
LCL
Lunar Cargo Lander [NASA OEXP]
LCLOC
Line Card LOCation
LCM
Life Cycle Management
LCN
Logical Channel Numbers
LCP
Link Control Protocol
LCR
Least Cost Routing
LCRMKR
Line Card ReMarKs, Retained
LCS
Laboratory for Computer Science [MIT]
LCSE
Line Card Service and Equipment
LCSEN
Line Card Service and Equipment Narrative
LCT
Landing Craft Tanks
LDC
Logical Device Coordinates
LDC
Long Distance Carrier [telephony]
LDEF
Long Duration Exposure Facility
LDF
Large Deployable Reflector [Space]
LDL
Local Digital Loopback
LDL
Low Density Lipoprotein
LDMTS
Long Distance Message Telecommunications Service
LDP
Laboratory Data Products
LDS
The Church of Jesus Christ of Latter-Day Saints
LDT
Local Descriptor Table
LDX
Long Distance eXtender [telephony]
LE
Lance Ethernet
LEAP
Low-power Enhanced At Portable
LEAS
LATA Equal Access System
LEC
Local Exchange Carrier [telephony]
LED
Light-Emitting Diode
LEGO
Low End Graphics Option
LEM
Lunar Excursion Module (a.k.a. LM) (Apollo spacecraft)
LENCL
Line Equipment Number CLass
LEO
Low Earth Orbit [Space]
LERC
Lewis Research Center, "LeRC" [NASA]
LEST
Large Earth-based Solar Telescope
LF
Line Feed Character
LF
Line Finder
LF
Low Frequency (30-300KHz)
LFACS
Loop Facilties Assignment And Control System
LFS
Loopback File System
LFSA
List of Frequently Seen Acronyms
LGA
Low Gain Antenna
LGB
Lesbian/Gay/Bisexual
LGB
Long Beach CA
LGBO
Lesbian/Gay/Bisexual and any others we've missed, = "LGBO*"
LGM
Little Green Men
LH
Left Hand
LH
Liquid Hydrogen (also LH2 or LHX)
LH
Lower Half
LH
Luteinizing Hormone (same as ISCH)
LHD
Litterarum Humaniorum Doctor (doctor of human letters)
LHS
Left Hand Side
LI
Long Island
LIDAR
LIght Detection And Ranging
LIFIA
Laboratoire d'Informatique Fondamentale et d'Intelligence=20 Artificielle
LIFO
Last In, First Out
LIM
Lotus-Intel-Microsoft (memory specification)
LIMM
Lotus Intel Microsoft Memory (PC world)
LIMS
Labor-Informations-Management-System
LINC
Laboratory INstrument Computer
LIPS
Logical Inferences Per Second
LIS
Lanthanide-Induced Shift
LISA
Large Installation System Administration
LISP
LISt Processing Language
LIST
List-Oriented Interactive Language
LIU
Line Interface Unit
LJBF
Let's Just Be Friends
LL
Late Latin
LL
Long Lines [telephony]
LLAMA
Logic Lacking A Meaningful Acronym
LLB
Legum Baccalaureus (bachelor of laws)
LLC
Logical Link Control
LLCLINK
Layer Control Protocol (?), "LLCLink"
LLD
Legum doctor (doctor of laws)
LLN
Line Link Network [telephony]
LLNL
Lawrence-Livermore National Laboratory
LLO
Low Lunar Orbit [Space]
LLOX
Lunar Liquid OXygen [Space]
LLP
Line Link Pulsing [telephony]
LM
Lan Manager
LM
Life Master (Contract Bridge ranking)
LM
Lunar Module (a.k.a. LEM) (Apollo spacecraft)
LMC
Large Magellanic Cloud (see SMC)
LME
Layer Management Entity
LMF
License Management Facility
LMMS
Local Message Metering System
LMOS
Line Maintenance Operations System [telephony, = AT&T]
LN2
Liquid N2 (Nitrogen)
LNG
Liquified Natural Gas
LO
Lake Oswego
LO
Leverage Out
LOA
Lands of Adventure
LOA
Leave Of Absence
LOB
Line Of Balance
LOB
Line Of Building
LOC
Lines Of Code
LOC
Local Operating Company
LOCAP
LOw CAPacitance
LOE
Level Of Effort
LOF
Lock OFf-line
LOFT
Launch Operations Flight Test [Space]
LOI
Letter Of Intent
LON
Lock ON-line
LOOPS
Lisp Object Oriented Programming System
LOP
Lines Of Position
LORAN
Long RANge Navigation
LOS
Line Of Sight
LOS
Los Angeles
LOSF
Lunar Orbit Staging Facility [Space]
LOTS
Low Overhead Timesharing System
LOX
Liquid OXygen
LP
Linear Prediction
LP
Linear Programming
LP
Long Play(ing) (record)
LP
Low Pressure
LPC
Linear Predictive Coding (speech processing)
LPCDF
Low Profile Combined Distributing Frame
LPDA
Link Problem Determination Aid
LPF
League for Programming Freedom
LPG
Liquified Petroleum Gas
LPG
Low Pressure Gas
LPL
Lunar Personnel Lander [NASA OEXP]
LPN
Licensed Practical Nurse
LPP
Licensed Program Products
LPR
Line PrinteR
LPT
Line PrinTer
LPT
Lunar Propellant Tanker [NASA OEXP]
LPV
Lunar Piloted Vehicle [NASA OEXP]
LQ
Letter Quality
LRAP
Long Route Analysis Program
LRB
Liquid Rocket Booster [Space]
LRBM
Long Range Ballistic Missile
LRC
Longitudinal Redundancy Character
LRS
Line Repeater Station
LRSP
Long Range System Plan
LRSS
Long Range Switching Studies
LRU
Least Recently Used
LRU
Line Replaceable Unit
LS
Left Side
LS
Letter Signed
LS
Locus Sigilli (place of seal)
LSAP
Long Service Access Point
LSB
Least Significant Bit; Least Significant Byte
LSB
Lower Side Band
LSC
Lecture Series Committee [MIT]
LSC
LightSpeed C
LSD
Least Significant Digit
LSD
LySergic acid Diethylamide
LSD
pounds (Libra), shillings (Sestertii), and (old) pence=20 (Denarii)
LSELLINK
Layer Selector (?), "LSELLink"
LSI
Large Scale Integration
LSP
LightSpeed Pascal
LSR
Local Standard of Rest
LSRP
Local Switching Replacement Planning system
LSS
Life Support System
LSS
Loop Switching System
LSSD
Level-Sensitive Scan Detection
LSV
Line Status Verifier
LT
Long Ton
LT
Low Tension
LTA
Lighter Than Air
LTAB
Line Test Access Bus
LTC
Lieutenant Colonel
LTC
Local Test Cabinet
LTD
Local Test Desk
LTF
Lightwave Terminating Frame
LTF
Line Trunk Frame
LTG
Line Trunk Group
LTJG
Lieutenant Junior Grade
LTL
Less than Truckload Lot
LTP
Lunar Transient Phenomenon
LTPD
Lot Tolerance Percent Deffective
LTS
Loss Test Set
LTV
Loan To Value
LTVR
LTV Ratio
LU
Logical Unit
LUG
Local Users Group
LUMO
Lowest Unoccupied Molecular Orbital
LUN
Logical Unit Number
LUT
Look-Up Table
LWM
Low-Water Mark
LWP
Light Weight Process
LWSP
Linear White-SPace
LWT
Last Will and Testament
LXE
Lightguide eXpress Entry
LZ
Landing Zone
M
Miniatures
MA
Maintenance Administrator
MA
Massachusetts [US state postal designation]
MAAP
Maintenance And Administration Panel
MAC
Apple MACintosh computer
MAC
Mandatory Access Control
MAC
Media Access Control
MAC
Military Air Command
MAC
Move, Add, Change
MAC
Multiple Analogue Component
MACBS
Multi-Access Cable Billing System
MACSYMA
project MAC's SYmbolic MAnipulation System
MAD
Mass Air Delivery
MAD
Mutual Assured Destruction
MADD
Mothers Against Drunk Driving
MADN
Multiple Access Directory Numbers
MAF
Marine Abkuerzungs Fimmel (roughly navy abbreviation = spleen?)
MAG
Magazine
MAJOUR
Modular Application for JOURnals
MAN
Metropolitan Area Network
MAP
Maintenance and Administration Position
MAP
Management Assesment Program
MAP
Manufacturing Automation Protocol (GM's Token-Passing=20 "Ethernet")
MAP
Marketing Assistance Program
MAPSS
Maintenance & Analysis Plan for Special Services
MAPTOP
Manufacturing Automation Protocol/Technical Office = Protocol,=20 "MAP/TOP"
MAR
Microprogram Address Register
MARBI
MAchine Readable form of Bibliographic Information
MARC
MAchine Readable card Catalog
MARC
Market Analysis of Revenue and Customers system
MARS
Multiuser Archival and Retrieval System
MAS
MAin Store
MAS
Magic Angle Spinning
MAS
Mass Announcement System
MASB
MAS Bus
MASC
MAS Controller
MASC
Multiple Award Schedule Contract
MASER
Microwave Amplification by Stimulated Emission of = Radiation
MASH
Mobile Army Surgical Hospital
MASM
MAS Memory
MAST
Multi-Application SOnar Trainer
MATCALS
Marine Air Traffic-Control And Landing System, = "MAT-CALS"
MATFAP
Metropolitan Area Transmission Facility Analysys = Program
MAU
Math Acceleration Unit
MAU
Media Access Unit
MAU
Medium Attachment Unit
MAU
Multiple Access Unit
MAU
Multistation Access Unit
MAXI
Modular Architecture for the Exchange of Information = (DoD)
MB
Manned Base
MB
MegaByte (1MB=1048576 bytes)
MBA
Management Business Analyst
MBA
Master Business Administration
MBBA
p-MethoxyBenzylidene-p-n-ButylAniline
MBO
Management By Objectives
MBPS
MegaBits/Bytes Per Second
MBWA
Management By Walking Around
MC
Management Committee
MC
Master of Ceremonies
MC
Material Control
MCA
Mechanical Computer Aided Design
MCA
Micro Channel Architecture
MCAD
Mechanical Computer Aided Design
MCAE
Mechanical Computer Aided Engineering
MCC
Master Control Center
MCC
Master Control Console
MCC
Microelectronics & Computer Consortia (Austin = based)
MCC
Mission Control Center
MCCS
Mechanized Calling Card Service
MCH
Maintenance CHannel
MCHB
Maintenance CHannel Buffer
MCI
Media Control Interface
MCI
Microwave Communications Incorporated
MCIAS
Multi-Channel Intelligent/Intercept Announcement = System
MCN
Metropolitan Campus Network
MCNC
Microelectronics Center of North Carolina
MCP
Master Control Program
MCP
Multiport/Multiprotocol Communication Processor
MCPAS
Master Control Program/Advanced System, "MCP/AS"
MCPO
Master Chief Petty Officer
MCR
Memory ContRoller
MCS
Material Control System
MCS
Meeting Communications Service
MCSV
Mars Crew Sortie Vehicle [NASA OEXP]
MCTRAP
Mechanized Customer Trouble Report Analysis Plan
MCU
Microprocessor Control Unit
MD
Doctor of Medicine
MD
Management Domain
MD
Maryland [US state postal designation]
MD
Medical Doctor
MD
Months after Date
MDACS
Modular Digital Access Control System
MDAS
Magnetic Drum Auxiliary Sender
MDC
Marker Distributor Control
MDC
Meridian Digital Centrex
MDDS
Media Documentation Distribution Set
MDE
Modular Design Environment
MDEC
MAINDEC maintenance on DEC diagnostic paper tapes
MDF
Main Distribution Frame [telephony]
MDI
Medium Dependent Interface
MDI
Multiple Document Interface
MDL
Molecular Design Ltd. [Corporate name]
MDQS
Multi-Device Queueing System
MDRE
Mass Driver Reaction Engine [Space]
MDS
Multi-point Distribution Service
MDT
Mean Down Time
MDU
Marker Decoder Unit
MDX
Modular Digital eXchange
ME
Maine
ME
Mechanical Engineer
MEA
Minimum Enroute Altitude (IFR)
MEC
Mobile Equipment Console
MECO
Main Engine CutOff
MED
Master of EDucation, "MEd"
MELD
Mechanized Engineering and Layout for Distributing = frames
MEM
2-MethoxyEthoxyMethyl
MEM
Maximum Entropy Method
MERP
Middle-Earth Role Playing
MERS
Most Economic Route Selection
MET
Mid European Time
MET
Multibutton Electronic Telephone
MF
Medium Frequency (300-3000KHz)
MF
Middle French
MF
Multi-Frequency [telephony]
MFA
Master Fine Arts
MFB
Monochrome Frame Buffer
MFENET
Magnetic Fusion Energy NETwork
MFG
Manufacturing
MFJ
Modification of Final Judgement
MFLOPS
Million FLoating-point OPerations per Second
MFM
Modified Frequency Modulation
MFR
Multi-Frequency Receivers
MFS
Macintosh File System
MFT
Metallic Facility Terminal
MFT
Multiprogramming with a Fixed number of Tasks
MG
Machine Gun
MG
Major General
MG
MasterGroup
MG
Military Government
MGH
Massachusetts General Hospital
MGM
Metro-Goldwyn Mayer [Corporate name]
MGT
MasterGroup Translator
MHD
MagnetoHydroDynamics
MHL
Microprocessor Host Loader
MHS
Message Handling System (aka X.400)
MHz
MegaHertZ (unit of frequency, 1,000,000 cycles per = second)
MI
Michigan
MI
Military Intelligence
MI
Mode Indicator
MIA
Missing In Action
MIB
Management Information Base
MICE
Modular Integrated Communications Environment
MICR
Magnetic Ink Character Recognition
MIDI
Musical Instrument Digital Interface
MIF
Maker Interchange Format
MIFASS
Marine Integrated Fire And Support System
MIL
Military
MILNET
MILitary NETwork
MILSTD
MILitary StandarD, "MIL-STD"
MIM
Media Interface Module
MIM
Metal Insulator Metal
MIM
Morality In Media
MIMD
Multiple Instruction, Multiple Data
MIME
Multipurpose Internet Mail Extensions
MIN
Mobile Identification Number
MINCE
MINCE Is Not Complete Emacs
MINDO
Modified Intermediate Neglect of Differential Overlap
MINX
Multimedia Information Network eXchange
MIP
Mortgage Insurance Premium
MIPS
Microprocessor without Interlocked Piped Stages
MIPS
Million Instructions Per Second
MIPS
Million of Instructions Per Second
MIR
Micro-Instruction Register
MIR
Peace, "mir" [Russian]
MIRS
Management Information Retrival System
MIRV
Multiple Independently-Targetable Reentry Vehicle
MIS
Management Information System
MISCF
MISCellaneous Frame
MIT
Massachusetts Institute of Technology
MITI
Ministry of International Trade and Industry
MITS
Microcomputer Interactive Test System
MJ
Modular Jack
MKTG
Marketing
ML
Middle Latin
MLA
Member of Legislative Assembly (see MPP)
MLC
MiniLine Card
MLCD
Multi-Line Call Detail
MLD
Minimum Lethal Dose
MLEM
Multi Language Environment
MLL
Mars Logistics Lander [NASA OEXP]
MLO
Material, Labor, Overhead - Inventoriable Cost / Full = Cost
MLS
Microwave Landing System
MLS
MultiLevel Security
MLS
Multiple Listing Service
MLT
Mechanized Loop Testing
MLV
Medium Lift Vehicle [NASA OEXP]
MM
Maryknoll Missioners
MMC
Minicomputer Maintenance Center
MMC
Money Market Certificate
MMDF
Multi-channel Memo Distribution Facility
MMES
Martin Marietta Energy Systems
MMFS
Manufacturing Message Format Standard
MMGT
MultiMasterGroup Translator
MMH
MonoMethyl Hydrazine
MMJ
Modified Modular Jack
MMM
see 3M
MMOC
Minicomputer Maintenance Operations Center
MMP
Modified Modular Plug
MMS
Main Memory Status
MMS
Manufacturing Message Specification
MMS
Memory Management System
MMT
Multiple Mirror Telescope
MMU
Manned Maneuvering Unit [Space]
MMU
Memory Management Unit
MMW
Multi-Mega Watt [Space]
MMX
Mastergroup MultipleX
MN
Minnesota
MNA
Member of National Assembly (Quebec)
MNDO
Modified Neglect of Diatomic (differential) Overlap
MNOS
Metal-Nitride-Oxide Semiconductor
MNP
Microcom Networking Protocol
MNRAS
Monthly Notices of the Royal Astronomical Society
MO
Magneto-Optical
MO
Mail Order
MO
Medical Officer
MO
Missouri
MO
Modus Operandi
MO
Molecular Orbital
MO
Money Order
MOA
Military Operations Area
MOC
Mars Observer Camera (on Mars Observer)
MOCA
Minimum Obstacle Clearance Altitude (IFR)
MOD
Magneto-Optical Disk
MOD
Mesio Occlusal Distal (dental filling)
MODEM
MOdulator-DEModulator
MOFW
Men Of Few Words
MOG
Minicomputer Operations Group
MOL
Manned Orbiting Laboratory
MOLA
Mars Observer Laser Altimeter (on Mars Observer)
MOM
MethOxyMethyl
MOMA
Museum Of Modern Art
MOMV
Manned Orbital Maneuvering Vehicle [Space]
MOP
Maintenance Operations Protocol (DEC)
MOPAC
Molecular Orbital PACkage
MOR
Middle-Of-the-Road
MOS
Metal Oxide Semiconductor
MOSFET
Metal Oxide Semiconductor Field Effect Transistor
MOTAS
Member of the Appropriate Sex
MOTIS
Message-Oriented Text Interchange System
MOTOS
Member of the Opposite Sex
MOTSS
Member of the Same Sex
MOTV
Manned Orbital Transfer Vehicle [Space]
MOU
Memorandum Of Understanding
MOUSE
Minimum Orbital Unmanned Satellite of Earth
MOV
Metal Oxide Varistor
MP
Manifold Pressure
MP
Melting Point
MP
Member of Parliament
MP
Metal Particle
MP
Metropolitan Police
MP
Micro Processor
MP
Military Police(man)
MP
Mixed Projection
MP
Modular Plug
MP
MultiProcessing
MP
MultiProcessor
MPC
Minor Planets Circular
MPC
Multiprocess Communications
MPCC
Microprocessor Common Control
MPCH
Main Parallel CHannel
MPDU
Message Protocol Data Unit
MPE
Mission to Planet Earth [Space]
MPG
Miles Per Gallon
MPH
Miles Per Hour
MPIF
Multiprocessor Interface
MPO
Manufacturer's Point of Origin
MPOW
Multiple Purpose Operator Workstation
MPP
Member of Provincial Parliament (Canada; also MLA)
MPP
Message Posting Protocol
MPP
Message Processing Program
MPP
MicroProcessor Pascal
MPPD
Multi-Purpose Peripheral Device
MPR
Mars Pressurized Rover [Space]
MPS
Master Production Schedule
MPS
Megabytes Per Second
MPT
Ministry of Posts and Telecommunications
MPT
MultiPort Transceiver
MPU
MicroProcessor Unit
MPV
Mars Piloted Vehicle [NASA OEXP]
MPW
Macintosh Programmer's Workshop
MQC
Multiple-Quantum Coherence
MQF
Multiple-Quantum Filter
MR
Miniatures Rules
MRD
Marketing Requirements Document
MRF
Maintenance Reset Function
MRFL
Mandatory File and Record Locking
MRI
Magnetic Resonance Imaging
MRP
Manufacturing Requirements Planning
MRP
Manufacturing Resource Planning
MRP
Material Resource Planning
MRS
Material Reject Stock
MRS
Material Requirements Schedule
MRSR
Mars Rover and Sample Return
MRSRM
Mars Rover and Sample Return Mission
MRTS
Modification Request Tracking System
MRU
Most Recently Used
MS
Maintenance State
MS
ManuScript
MS
Mass Spectrometry
MS
Master of Science
MS
MicroSoft [Corporate name]
MS
Military Science
MS
MilliSecond
MS
Motor Ship
MS
Multiple Sclerosis
MSB
Most Significant Bit; Most Significant Byte
MSC
Media Stimulated Calling
MSC
MicroSoft C
MSCDEX
MicroSoft CD-rom EXtensions
MSCP
Mass Storage Control Protocol
MSD
Most Significant Digit
MSDOS
MicroSoft DOS, "MS-DOS", Maybe SomeDay an Operating = System
MSE
Mobile Subscriber Equipment
MSFC
(George C.) Marshall Space Flight Center [NASA]
MSFR
Minimum Security Functionality Requirements
MSG
MonoSodium Glutamate
MSH
Marvel Super Heroes
MSI
Medium Scale Integration
MSL
Mean Sea Level
MSL
Motor Simulation Laboratory
MSN
Manufacturing Sequence Number
MSN
Manhattan Street Network, mesh architecture - = wavelength-division=20 mux
MSO
Manufacturers Statement of Ownership
MSP
Mass Storage Pedestal
MSPE
Mercenaries, Spies & Private Eyes
MSR
Mess-, Steuer- und Regelungssysteme
MSR
Multitrack Serpentine Recording
MSS
Management Support System
MSS
ManuScriptS
MSS
Mass Storage Subsystem
MSS
Mass Storage System
MSS
Maximum Segment Size
MST
Mountain Standard Time
MT
Material Transfer
MT
Metric Ton
MT
Mountain Time
MTA
Mail Transfer Agent
MTA
Message Transfer Agent
MTA
Message Transfer Architecture (AT&T)
MTA
Metropolitan Transportation Authority
MTBF
Mean Time Between Failures
MTBRP
Mean-Time-Between-Parts-Replacement
MTC
Man Tended Capability
MTD
Month To Date
MTF
Master Test Frame
MTF
Modulation Transfer Function
MTI
Multi-Terminal Interface
MTM
Method Time Measurements
MTP
Message Transfer Part
MTR
Magnetic Tape Recording
MTR
Mechanized Time Reporting
MTS
Message Telecommunications Service
MTS
Message Telephone Service
MTS
Mobile Telephone Service
MTSO
Mobile Telephone Switching Office [telephony]
MTTF
Mean Time To Failure
MTTFF
Mean Time To First Failure
MTTR
Mean Time Trouble Repair
MTTR
Mean Time to Recovery/Repair
MTU
Maintenance Termination Unit
MTU
Maximum Transer Unit
MTU
Maximum Transmission Unit
MTU
Media Tech Unit
MTV
Music TeleVision
MTX
Mobile Telephone eXchange
MU
Message Unit
MUA
Mail User Agent
MUF
Maximum Usable Frequency (max freq during sunspot = activity)
MULDEM
MULtiplexer-DEMultiplexer
MULTICS
MULTiplexed Information and Computing Service
MUMPS
Massachusetts general hospital Utility MultiProgramming = System
MUNG
Mung Until No Good (see the hacker's dictionary)
MUX
MUltipleXor
MV
MicroVAX
MVA
Market Value Adjustment
MVA
MegaVolt Ampere
MVP
Multiline Variety Package
MVS
Multiple Virtual Storage
MVSSP
Multiple Virtual Storage / System Product, "MVS/SP"
MVSXA
Multiple Virtual Storage / Extended Architecture, = "MVS/XA"
MVY
Martha's Vineyard MA
MW
MicroWave, "M/W"
MW
MultiWink
MWM
Motif Window Manager
MX
Mail eXchange
MX
Missile eXperimental
MXU
MultipleXer Unit
MeV
Million Electron Volts
N
North
N
Notice
NA
Narcotics Anonymous
NA
Next Address
NA
North America
NA
Not Applicable
NAACP
National Association for the Advancement of Colored = People
NAAS
North American Automated Systems co.
NAB
National Association of Broadcasters
NABISCO
NAtional BIScuit COmpany [Corporate name]
NAC
Network Administration Center
NACA
National Advisory Committee on Aeronautics (became = NASA)
NACS
National Advisory Committee on Semiconductors
NAD
Network Access Device
NAD
Nicotinamide Adenine Dinucleotide
NADGE
NATO Air Defense Ground Environment
NAG
Network Architecture Group
NAG
Numerical Algorithms Group
NAGE
National Association of Government Employees
NAK
Negative AcKnowledgement
NAM
Name and Address Module [telephony, cellular phone = changeable=20 ROM]
NAM
National Account Manager [telephony, AT&T = specific?]
NAM
Number Assignment Module [telephony, cellular phone = changeable=20 ROM]
NAMM
North American Music Merchants
NAN
Not A Number
NAND
Inverted And Gate, Not And
NAND
Not-AND gate
NANP
North American Numbering Plan
NAPAP
National Acid Precipitation Assessment Program
NAPLPS
North American Presentation Layer Protocol Suite
NAR
National Association of Realtors
NAR
Nuclear Acoustic Resonance
NARDAC
NAvy Regional Data Automation Center
NAS
National Academy of Sciences
NAS
National Advanced Systems
NAS
National Aircraft (Aerospace) Standards
NAS
National Audubon Society
NAS
Network Application Support
NAS
Numerical Aerodynamic Simulation
NAS
Numerical and Atmospheric Sciences network
NASA
National Aeronautics and Space Administration
NASAGSFC
National Aeronautics and Space Administration Goddard = Space Flight=20 Center, "NASA/GSFC"
NASCAR
National Association of Stock Car Auto Racing
NASDA
National Space Development Agency [Japan]
NASDAQ
National Association of Security Dealers Automated = Quotations
NASM
National Air and Space Museum
NASP
National AeroSpace Plane
NATO
North Atlantic Treaty Organization
NAU
Network Addressable Unit
NAVDAC
NAVal Data Automation Command
NAVSWC
NAV Surface Warfare/Weapons Center
NB
New Brunswick
NB
Nota Bene
NBA
National Basketball Association
NBC
National Broadcasting Company
NBFM
NarrowBand Frequency Modulation
NBO
Network Build Out
NBO
Network Business Opportunity
NBP
Name Binding Protocol
NBS
National Bureau of Standards (renamed NIST) [U.S. = Government]
NBVM
Narrow Band Voice Modulation
NC
Network Control
NC
No Charge
NC
No Connection
NC
North Carolina
NCA
Network Control Analysis
NCAR
National Center for Atmospheric Research
NCC
National Computer Conference
NCC
Network Control Center
NCCF
Network Communications Control Facility
NCD
Network Computing Devices
NCDC
National Climatic Data Center
NCE
New Catholic Edition
NCGA
National Computer Graphics Association
NCIC
National Cartographic Information Center
NCIC
National Crime Information Center
NCMOS
N-Channel (Silicon Gate Reversed) CMOS
NCO
Non-Commissioned Officer
NCP
Network Control Program/Protocol/Point
NCR
National Cash Register [Corporate name]
NCS
National Computer/Communications Systems
NCS
Network Computing System
NCSA
National Center for Supercomputing Applications
NCSC
National Computer Security Center
NCSL
National Computer Systems Laboratory (NIST)
NCTE
Network Channel-Terminating Equipment
NCTL
National Computer and Telecommunications Laboratory
NCV
No Commercial Value
ND
Network Disk (Sun)
ND
No Date
ND
North Dakota
NDA
Non-Disclosure Agreement
NDB
Non-Directional Beacon
NDC
Normalized Device Coordinates
NDCC
Network Data Collection Center
NDDL
Neutral Data Definition Language
NDDO
Neglect of Diatomic Differential Overlap
NDE
NeWS Development Environment
NDEA
National Defense Education Act
NDI
Network Design & Installation (Sun Service), = "ND&I"
NDIS
Network Driver Interface Specification
NDL
Logical Network Disk
NDL
Network Database Language
NDP
New Democratic Party (Canada)
NDSL
National Direct Student Loan
NDT
Newfoundland Daylight Time
NDV
NASP Derived Vehicle
NE
New England
NE
Non Exempt
NE
North East
NEAR
National Electronic Accounting and Reporting system
NEARNET
New England Academic and Research network, "NEARnet"
NEB
New English Bible
NEBS
New Equipment-Building System
NEC
National Electric Code
NEC
National Electric Conference
NEC
Nippon Electric Company [Corporate name]
NEFS
Network extensible File System, "NeFS"
NEI
Not Elsewhere Included
NEMA
National Electrical Manufacturers Association
NEMP
Nuclear ElectroMagnetic Pulse
NES
National Energy Strategy
NES
Not Elsewhere Specified
NESAC
National Electronic Switching Assistance Center
NESC
National Energy Software Center
NET
NETwork
NET
National Educational Television
NET
New England Telephone
NETBEUI
NETBIOS Extended User Interface
NETBIOS
NETwork Basic Input Output System
NETBLT
NETwork Block Transfer
NETCDF
NETwork Common Data Format
NEWS
Networked Extensible Windowing System, "NeWS"
NEWT
NeWS Terminal, "NeWT"
NEXRAD
NEXt generation weather RADar
NEXT
Near-End cross-Talk
NF
No Funds
NFC
National Football Conference
NFFE
National Federation of Federal Employees
NFL
National Football League
NFPA
National Fire Protection Association
NFR
Not a Functional Requirement
NFS
Network File System
NFT
Network File Transfer
NG
National Guard
NG
No Good
NGC
New General Catalog
NH
New Hampshire
NHI
National Health Insurance
NHL
National Hockey League (the nation is Canada)
NHLBI
National Heart, Lung, and Blood Institute (Bethesda, = MD)
NHR
Non Hierarchial Routing
NI
Network Interface
NIC
Network Information Center (ARPAnet)
NIC
Network Interface Card
NICE
Network Information and Control Exchange (DECNET)
NICMOS
Near Infrared Camera / Multi Object Spectrometer (HST = upgrade)
NIFTP
(a file transfer network in the UK)
NIH
National Institutes of Health
NIH
Not Invented Here
NIM
Nuclear Instrumentation Module (an electronic instr. = standard)
NIMBY
Not In My Back Yard
NIMH
National Institute of Mental Health (Rockville, MD)
NIMS
Near-Infrared Mapping Spectrometer (on Galileo)
NIR
Near InfraRed
NIR
Network Information Registry
NIS
Network Information Service (nee YP)
NISC
Network Information and Support Center (NYSERNet)
NISDN
narrowband integrated-services digital network, = "N_ISDN"
NISO
National Information Standards Organization
NISS
National Information on Software and Services
NIST
National Institute of Standards and Technology (formerly = NBS)
NIU
Network Interface Unit
NJ
New Jersey
NKS
Network Knowledge Server
NL
National League (baseball)
NLDP
National Launch Development Program
NLM
National Library of Medicine
NLP
Natural Language Processing
NLQ
Near Letter Quality
NLRB
National Labor Relations Board
NLS
Native Language Support
NLS
Network License Server
NM
Nautical Mile
NM
Network Module
NM
New Mexico
NM
Night Message
NM
No Mark; Not Marked
NMA
Network Management Architecture
NMC
Network Management Center
NMI
New Model Introduction
NMI
Non Maskable Interrupt
NMOS
N channel Metal Oxide Semiconductor (N-MOS) (see MOS)
NMR
Nuclear Magnetic Resonance
NMS
Network Management Station
NNE
North North East
NNTP
Net News Transfer Protocol
NNTP
Network News Transfer Protocol
NNW
North North West
NNX
Network Numbering eXchange
NOAA
National Oceanic and Atmospheric Administration
NOAO
National Optical Astronomy Observatories
NOC
Network Operations Center
NOCS
Network Operations Center System
NOE
Nuclear Overhauser Effect
NOESY
Nuclear Overhauser and Exchange SpectroscopY
NOP
No OPeration
NORAD
NORth American Defense command
NORDO
No-radio
NORGEN
Network Operations Report GENerator
NORML
National Organization for the Reform of Marijuana Laws
NOS
Network Operating System
NOS
Not Otherwise Specified
NOSC
Naval Ocean Systems Center
NOTIS
Network Operator Trouble Information System
NP
No Protest
NP
Nondeterministic-Polynomial
NP
Notary Public
NP
Noun Phrase
NPA
No Power Alarm
NPA
Numbering Plan Area, or area code [Telephony]
NPC
Non-Player Character (see PC)
NPG
New Product Group
NPI
New Product Introduction
NPL
National Physical Laboratory (UK)
NPL
Non-Procedural Language
NPMS
Named Pipes/Mail Slots
NPN
Negative-Positive-Negative (transistor)
NPN
NonProtein Nitrogen
NPP
Net Primary Productivity
NPR
National Public Radio
NPRM
Notice of Proposed Rulemaking
NPSI
Network Protocol Service Interface
NPV
Net Present Value
NQ
No Quote
NQS
Network Queuing System
NRA
National Rifle Association
NRAO
National Radio Astronomy Observatory
NRC
National Research Council
NRC
Nuclear Regulatory Commission
NRDC
Natural Resource Defense Council
NRE
Non-Recurring Engineering
NREN
National Research and Education Network
NRL
Naval Research Labs
NRM
Normal Response Mode
NRO
National Reconnaissance Office
NROFF
New ROFF
NRZ
Non-Return to Zero
NRZI
Non-Return to Zero Inverted (magnetic tape, 800 bpi)
NS
Name Server
NS
Network Services
NS
Neutron Star
NS
Not Specified
NS
Nova Scotia
NS
Nuclear Ship
NSA
National Security Agency [U.S. Government]
NSAP
Network Service Access Point
NSC
National Security Council [U.S. Government]
NSC
Network Service Center
NSCS
Network Service Center System
NSDSSO
NASA Science Data Systems Standards Office
NSE
Network Software Environment
NSEC
Network Switching Engineering Center
NSEL
Network Service Selector
NSEM
Network Software Environment
NSF
National Science Foundation [U.S. Government]
NSFNET
National Science Foundation NETwork
NSO
National Solar Observatory
NSP
Network Services Protocol (DECNET)
NSPMP
Network Switching Performance Measurement Plan
NSSDC
National Space Science Data Center
NST
Newfoundland Standard Time
NSTS
National Space Transportation System [Space]
NSU
Networking Support Utilities
NSUG
Nihon Sun User's Group
NSW
New South Wales (Australia)
NSWC
Naval Surface Warfare/Weapons (obsolete) Center
NT
Network Termination
NT
New Technology
NT
New Testament
NT
Newfoundland Time
NT
Northern Telecom
NT
Northern Territory
NTEC
Network Technical Equipment Center
NTEU
National Treasury Employees Union
NTF
No Trouble Found
NTFS
Windows NT File System
NTIA
National Telecommunications and Information Agency
NTIS
National Technical Information Service
NTN
Neutralized Twisted Nematic
NTO
Network Terminal Option
NTP
Network Time Protocol
NTP
Normal Temperature and Pressure (see STP)
NTR
Nuclear Thermal Rocket(ry)
NTS
Network Technical Support
NTS
Network Test System
NTSB
National Transportation Safety Board [U.S. Government]
NTSC
National Television Standards Committee; Never The Same = Color
NTT
New Technology Telescope
NTT
Nippon Telephone & Telegraph
NU
Name Unknown
NUA
Network User Address
NUI
Network User Identification
NURBS
NonUniform Rational B-Spline
NUSC
Naval Underwater Systems Command
NV
Nevada
NVH
Noise, Vibration, Harshness
NVLAP
National Validation Laboratory Program
NVRAM
NonVolatile Random Access Memory
NW
North West
NWA
Northwest Airline
NWS
National Weather Service
NWT
North West Territories (Australia)
NXX
NANP syntax for a three-digit string, {[2-9],[0-9],[0-9]}=20 [Telephony]
NY
New York
NYC
New York City
NYNEX
New York, New England and the unknown (X)
NYSE
New York Stock Exchange
NYSERNET
New York State Educational and Research Network, = "NYSERNet"
NZ
New Zealand
NZUSUGI
New Zealand Unix System User Group, Inc.
O2
Oxygen
OA
Office Automation
OA
Order Administration
OA
Overeaters Anonymous
OACIS
Oregon Advanced Computing InStitute
OAK
Oakland CA
OAO
Orbiting Astronomical Observatory
OAS
Organization of American States
OASYS
Office Automation SYStem
OAT
Outside Air Temperature
OATS
Office Automation Technology and Services
OB
Obligatory
OBD
Online Bugs Database (Sun)
OBE
Order of the British Empire
OBO
Or Best Offer
OBS
Omni Bearing Selector
OBS
Omnibearing Selector
OC
Operator Centralization
OC
Order of Canada
OCATE
Oregon Center for Advanced Technology Education
OCC
Office Communications Cabinet
OCC
Other Common Carrier
OCDM
Office of Civil Defense and Mobilization
OCE
Other Common carrier channel Equipment
OCI
Out of City Indicator
OCLC
Online Computer Library Center (Ohio College Library = Catalog)
OCLI
Optical Coating Labs Inc.
OCO
Object Code Only
OCR
Optical Character Reader
OCR
Optical Character Recognition
OCS
Officer Candidate School
OCST
Office of Commercial Space Transportation
OCU
Office Channel Unit
OD
Doctor of Optometry
OD
Oculus Dexter (right eye)
OD
Officer of the Day
OD
Outer Diameter
OD
OverDose
ODA
Office Document Architecture
ODAC
Operations Distribution Administration Center
ODD
Operator Distance Dialing
ODDD
Operator Direct Distance Dialing
ODI
Optical Digital Image
ODIF
Office Document Interchange Format
ODISS
Optical Digital Image Storage System
ODMR
Optically Detected Magnetic Resonance
ODP
Open Distributed Processing
ODS
Overhead Data Stream
OE
Old English
OE
Order Entry
OECD
Organization for Economic Cooperation and Development
OED
Oxford English Dictionary
OEM
Original Equipment Manufacturer
OEO
Office of Economic Opportunity
OES
Order of the Eastern Star
OEXP
Office of Exploration [NASA]
OF
Old French
OFM
Order of Friars Minor
OFNPS
Outstate Facility Network Planning System
OFS
Order of Free State
OG
Original Gum
OGI
Oregon Graduate Institute
OGICSE
Oregon Graduate Institute Computer Science and = Engineering
OGT
OutGoing Trunk
OH
Ohio
OH
OverHead
OHP
OverHead Projector
OIRA
Office of Information and Regulatory Affairs
OIU
Office Interface Unit
OIW
Workshop for Implementors of OSI
OJT
On-the-Job Training
OLE
Object Linking and Embedding
OLIT
Open Look Interface Toolkit
OLTM
Optical Line Terminating Multiplexer, "O-LTM"
OLTP
OnLine Transaction Processing
OLWM
OpenLook Window Manager
OM
Office Management
OMA
Optical Multichannel Analyzer
OMB
Office of Management and Budget
OMD
Orchestral Manouevers in the Dark
OME
Oregon Microcomputer Engineering (Intel)
OMM
Output Message Manual
OMPF
Operation and Maintenance Processor Frame
OMS
Orbital Maneuvering System
OMV
Orbital Maneuvering Vehicle [Space]
ON
Old Norse
ONA
Open Network Architecture
ONAC
Operations Network Administration Center
ONAL
Off Network Access Line
ONC
Open Network Computing
ONE
Open Network Environment
ONI
Office of Naval Intelligence
ONI
Operator Number Identification [telephony]
ONP
Optical Nuclear Polarization
ONR
Office of Naval Research
OO
Object Oriented
OOB
Out Of Band
OODB
Object Oriented Data Base
OOP
Object-Oriented Programming
OOPART
Out Of Place ARTifact
OOPL
Object-Oriented Programming Language
OOPS
Object Oriented Program Support
OOPS
Object-Oriented Programming System
OOPSTAD
Object Oriented Programming for Smalltalk Application = Developers=20 Association
OOSH
Object-Oriented SHell
OOT
Object-Oriented Technology
OP
OFFICEPOWER office automation system, trademark of CCI
OP
Observation Post
OP
OfficePower office automation system, trademark of CCI
OP
Order of Preachers
OP
Out of Print
OP
Outside Plant
OPC
Originating Point Codes
OPDU
Operation Protocol Data Units
OPEC
Organization of Petroleum Exporting Countries
OPEOS
Outside Plant planning, Engineering & construction = Operations=20 Sys
OPF
Orbiter Processing Facility
OPM
Office of Personnel Management
OPM
Outside Plant Module
OPS
Off-Premises Station
OPSM
Outside Plant Subscriber Module
OPX
Off-Premises eXtension
OR
Operating Room
OR
Operation Research
OR
Oregon
OR
Originating Register
OR
Owner's Risk, Own Risk
ORB
Office Repeater Bay
ORD
Optical Rotatory Dispersion
ORDLIX
Organized Design for Line and Crew System
ORFEUS
Orbiting and Retrievable Far and Extreme Ultraviolet=20 Spectrometer
ORM
Optical Remote Module
ORNAME
Originator / Recipient Name, "ORname"
ORNL
Oak Ridge National Laboratory
OROM
Optical Read Only Memory
ORT
Ongoing Reliability Test
OS
Oculus Sinister (left eye)
OS
Operating System
OS
Operator Service
OS
Ordinary Seaman
OS
Out of Stock
OS
OutState
OS2
Operating System/2, "OS/2"
OSAC
Operator Services Assistance Center
OSB
Order of St. Benedict
OSC
OSCillator
OSC
Operator Services Center
OSC
Orbital Sciences Corporation [Space]
OSCAR
Orbiting Satellite Carrying Amateur Radio
OSCRL
Operating System Command Response Language
OSD
Office of the Secretary of Defense
OSDIT
Office of Software Development and Information = Technology
OSDS
Operating System for Distributed Switching
OSE
Open Software Environment
OSF
Open Software Foundation (Oppose Sun Forever)
OSF
Order of St. Francis
OSHA
Occupational Safety and Health Act
OSI
Open Systems Interconnection
OSINET
Open Systems Interconnection Network
OSIRM
Open Systems Interconnection/Reference Model, "OSI/RM"
OSME
Open Systems Message Exchange
OSN
Office Systems Node
OSN
Open Systems Network
OSO
Originating Signaling Office
OSP
Optical Storage Processor
OSP
OutSide Plant
OSPF
Open Shortest Path First
OSPS
Operator Service Position System
OSS
Office Support System
OSS
Office of Strategic Services (later CIA)
OSS
Operation Support System [telephony, AT&T?]
OSS
Operator Service System
OSSA
Office of Space Science and Applications
OSSE
Oriented Scintillation Spectrometer Experiment (on = GRO)
OSTP
Office of Science and Technology Policy [White House]
OT
Old Testament
OT
OverTime
OTA
Office of Technology Assessment [U.S. government]
OTA
Optical Telescope Assembly (on HST)
OTB
Off-Track Betting
OTBS
One True Bracketing Style
OTC
Output Technology Corporation
OTC
Over The Counter (stocks)
OTDR
Optical TDR
OTEC
Ocean Thermal Energy Conversion
OTF
Open Token Foundation
OTHB
Over The Horizon - Backscatter (as in radar), "OTH-B"
OTL
Out To Lunch
OTLF
Open Taxi & Limousine Foundation, "OT&LF"
OTM
On Time Marker
OTOH
On The Other Hand
OTR
On The Rag
OTS
Off The Shelf
OTS
Office of Thrift Supervision
OTS
Officers' Training School
OTV
Orbital Transfer Vehicle [Space]
OUTWATS
OUTward Wide Area Telephone Service [telephony]
OV
Orbiter Vehicle [Space]
OW
Over-Write
OWHN
One-Word Host Name
P
(Chem.) para-, "p-"
P
(UK) pence, pennies, penny, "p"
P
page, "p."
P
per (as in m.p.h.), "p."
P
peta- (SI prefix)
P
phosphorus, "P"
P
pico- (SI prefix), "p"
P2
Interpersonal Messaging Protocol (for heading and = body)
P3
Protocol used by UA Entities and MTA Entities
P4
The video interface bus on the 3/80
PA
Pennsylvania
PA
Per Annum
PA
Play Aid
PA
Power Alarm
PA
Power of Attorney
PA
Precision Architecture (HP)
PA
Press Agent
PA
Private Account
PA
Process Alert
PA
Program Address
PA
Public Address
PA
Purchasing Agent
PA
protactinium, "Pa"
PAA
P-AzoxyAnisole
PABX
Private Automatic Branch eXchange [telephony]
PAC
Privilege Attribute Certificate
PACE
Program for Arrangement of Cables and Equipment
PACT
Prefix Access Code Translator
PACX
Private Automatic Computer eXchange
PAD
Packet Assembler-Disassembler (for networking)
PAD
Public Access Device (networking)
PADS
PeroxylAmine DiSulfonate
PAK
Product Authorization Key
PAL
Personal Answer Line (Sun group)
PAL
Phase Alternation Line-rate
PAL
Programmable Array Logic
PAM
Payload Assist Module [Space]
PAM
Pulse Amplification Modulation
PAM
Pulse-Amplitude Modulation
PAMD
Payload Assist Module, Delta-class, "PAM-D"
PAN
Personal Account Number
PANS
Pretty Advanced New Stuff
PAO
Palo Alto CA
PAP
Printer Access Protocol
PAR
Peak-to-Average Ratio, "P/AR"
PAR
Precision Approach Radar
PAR
Project Authorization Request
PARC
Palo Alto Research Center, xerox
PAS
Public Announcement Service
PAT
Power Alarm Test
PAT
Profit After Tax
PATROL
Program for Administrative Traffic Reports On Line
PAX
Private Automatic eXchange
PBC
Peripheral Bus Computer
PBC
Processor Bus Controller
PBD
Pacific Bell Directory
PBM
Play By Mail game
PBM
Portable BitMap file format
PBS
Public Broadcasting System
PBT
Profit Before TAX
PBX
Private Branch eXchange [telephony]
PC
Peace Corps
PC
PerCent; PerCentage
PC
Personal Computer
PC
Piece of Crap
PC
Player Character (see NPC)
PC
Politically Correct
PC
Post Card
PC
Post Cibum (after meals)
PC
Primary Center
PC
Printed Circuit
PC
Privileged Character
PC
Privy Council
PC
Production Control
PC
Program Counter
PC
Progressive Conservative party (Canada)
PCA
Positive Controlled Airspace (above 18,000')
PCA
Printed-Circuit Assembly
PCAT
Personal Computer/Advanced Technology, "PC/AT"
PCB
PolyChlorinated Biphenyls
PCB
Printed Circuit Board
PCB
Process Control Block
PCB
Protocol Control Block (TCP)
PCC
Portable C Compiler
PCDA
Program Controlled Data Acquisition
PCDOS
Personal Computer DOS, "PC-DOS"
PCF
Portable Compiled Font
PCH
Parallel CHannel
PCI
Panel Call Indicator
PCI
Peripheral Components Interface
PCI
Protocol Control Information
PCIE
President's Council on Integrity and Efficiency
PCILO
Perturbational Configuration Interaction of Localized = Orbitals
PCL
Printer Command Language
PCL
Programmable Command Language
PCM
Plug-Compatible Mainframe
PCM
Pulse-Code Modulation
PCN
Personal Communication Network
PCNFS
Personal Computer Network File System
PCO
Peg Count and Overflow
PCO
Process Change Order
PCPC
Personal Computers Peripheral Corporation
PCS
Patchable Control Store
PCS
Permanent Change of Station
PCSA
Personal Computer Systems Architecture
PCTE
Portable Common Tools Environment
PCTS
Posix Conformance Test Suite
PCTV
Program Controlled TransVerters
PD
Per Diem
PD
Peripheral Decoder
PD
Police Department
PD
Potential Difference
PD
Public Domain
PDAD
Proposed Draft ADdendum
PDB
Process DataBase
PDE
Partial Differential Equation
PDES
Product Data Exchange Specifications
PDF
Power Distribution Frame
PDF
Program Development Facility
PDI
Power and Data Interface
PDIF
Product Definition Interchange Format
PDL
Page Description Language
PDL
Page/Program Description/Design Language
PDL
Program Design Language
PDN
Public Data Network
PDP
Plasma Display Panel
PDP
Programmed Data Processor [DEC]
PDQ
Pretty Damned Quick
PDS
Portable Display Shell
PDS
Premises Distribution System (AT&T)
PDS
Public Domain Software
PDSP
Peripheral Data Storage Processor
PDT
Pacific Daylight Time
PDU
Product Development Unit
PDU
Protocol Data Unit
PE
Peripheral Equipment
PE
Phase Encoded (1600 bpi)
PE
Physical Education
PE
PolyEthylene
PE
Prince Edward island
PE
Printer's Error
PE
Professional Engineer
PE
Protestant Episcopal
PECC
Product Engineering Control Center
PEDRI
Proton-Electron Double-Resonance Imaging
PEI
Prince Edward Island
PEM
Privacy Enhanced Mail
PEP
Packetized Ensemble Protocol
PEP
Productivity Enhancement Project
PEPE
Pepe Est Presque Emacs
PERFECT
PERFormance Evaluation for Cost-Effective = Transformations
PERL
Pathologically Eclectic Rubbish Lister
PERL
Practical Extraction and Report Language
PERT
Program Evalution and Review Technique
PES
PhotoElectron Spectroscopy
PETA
People for the Ethical Treatment of Animals
PEX
Phigs/phigs+ Extension to X
PEXSI
PEX Sample Implementation (gfx), "PEX-SI"
PF
Programmed Function
PFB
Printer Font Binary
PFPU
Processor Frame Power Unit
PG
Perge Notice
PGA
Pin Grid Array
PGA
Professional Graphics Adapter
PGA
Pure Grain Alcohol
PH
Parity High bit
PH
Potential of Hydrogen, "pH"
PH
Process Hold
PHA
Pulse Height Analyzer/Analysis
PHIGS
Programmer's Hierarchical Interactive Graphics System
PHOTOCD
PHOTOgraphic Compact Disk
PHS
Public Health Service
PHYSREV
Physical Review Journal, "PhysRev"
PI
Principal Investigator
PI
Protocol Interpreter
PIA
Plug-In Administrator
PIC
Pilot In Command
PIC
Plastic-Insulated Cable
PIC
Primary Independent Carrier
PICS
Plug-in Inventory Control System (PICS/DCPR)
PID
Process IDentifier
PID
Protocol IDentifier
PIF
Paid In Full
PIF
Program Information File
PIMS
Profit Impact of Marketing Strategy
PIN
Personal Identification Number
PINE
Pine Is Not Elm
PING
Packet InterNet Groper
PIP
Packet Interface Port
PIP
Periphal Interchange Program
PIT
Principal, Interest, and Taxes
PITI
Principal, Interest, Taxes, Insurance
PIXEL
PIcture ELement
PL
Parity Low bit
PL1
Programming Language One, "PL/1"
PLA
Programmable Logic Array
PLAN
Public Lands Action Network
PLC
Programmable Logic Controller
PLCC
Plastic Leaded Chip Carrier
PLD
Programmable Logic Device
PLL
Phase-Locked Loop
PLM
Programming Language for Microcomputers
PLO
Palestine Liberation Organization
PLO
Please Leave On
PLS
Physical Layer Signaling
PLSS
Portable Life Support System
PLT
Panduit Locking Tie
PM
PayMaster
PM
Peripheral Module
PM
Phase Modulation
PM
Plant Management
PM
Police Magistrate
PM
Post Meridiem (after noon)
PM
PostMaster
PM
PostMortem
PM
Presentation Manager
PM
Pressurized Module
PM
Preventive Maintenance
PM
Prime Minister
PM
Provost Marshal
PMA
Physical Medium Attachment
PMAC
Peripheral Module Access Controller
PMC
Permanently Manned Capability
PMDF
Pascal Memo Distribution Facility
PMEG
Page Map Entry Group
PMG
Page Map Group
PMIRR
Pressure Modulated InfraRed Radiometer (on Mars = Observer)
PMMU
Paged Memory Management Unit
PMO
Prime Minister's Office
PMOS
P channel Metal Oxide Semiconductor (P-MOS) (see MOS)
PMRC
Parents' Music Resource Center
PMT
PhotoMultiplier Tube
PMU
Precision Measurement Unit
PMX
Presentation Manager for the X window system, "PM/X"
PN
Part Number
PN
Promissory Note
PNB
Pacific Northwest Bell
PNP
Plug N Play
PNP
Positive-Negative-Positive (transistor)
PNPN
Positive-Negative-Positive-Negative devices
PO
Petty Officer
PO
Post Office
PO
Postal Order
PO
Purchase Order
POB
Periphal Order Buffer
POC
Port Of Call
POD
Pay On Delivery
POD
Point Of Distribution
POE
Port Of Entry/Embarkation
POF
Programmable Operator Facility
POGO
Polar Orbiting Geophysical Observatory
POH
Pilot's Operating Handbook
POK
Power on Okey Signal
POM
Phase Of Moon
POP
Point Of Production
POP
Point of Presence [telephony]
POP
Post Office Protocol
POP
Processor On Plug-in (h/w)
POPS
Paperless Order Processing System
POR
Point Of Receive
POR
Price On Request
POS
Point Of Sale
POS
Programmable Option Set
POSI
Promoting conference for OSI
POSIX
Portable Operating System for unIX
POST
Power On Self Test
POSYBL
PrOgramming SYstem for distriButed appLications
POTS
Plain Old Telephone Service
POTS
Plain Ordinary Telephone System
POTV
Personnel Orbit Transfer Vehicle [Space]
POV
Point Of View
POW
Prisoner Of War
POWER
Performance Optimization With Enhanced Risc
PP
Painting Processor
PP
Parcel Post
PP
Past Participle
PP
Post Pay
PP
Primary Point
PP
Private Pilot
PP
pages, "pp."
PPA
Post Pack Audit
PPB
Parts Per Billion
PPBS
Planning, Programming, and Budgeting Systems
PPC
Pour Prendre Conge' (to take leave)
PPCS
Person to Person, Collect, Special [telephony]
PPD
Peripheral Pulse Distributor
PPD
PostScript Printer Description
PPI
Professional Press Inc.
PPI
Programmable Peripheral Interface
PPM
Page Per Minute
PPM
Parts Per Million
PPM
Portable PixMap file format
PPM
Product Portfolio Management
PPN
Parameterized Post-Newtonian formalism for general = relativity
PPN
Project Programmer Number
PPN
Public Packet Switching
PPP
Point-to-Point Protocol
PPS
PostPostScriptum
PPS
Product Performance Surveys
PPS
ProduktionsPlanungs- und Steuerungssysteme
PPS
Public Packet Switching network
PPT
Parts Per Trillion
PPT
Pulse Pair Timing
PPT
Punched Paper Tape
PQ
Province of Quebec
PR
PayRoll
PR
Public Relations
PR
Puerto Rico
PRC
People's Republic of China
PRC
Planning Research Corporation
PRCA
Puerto Rico Communications Authority
PREMIS
PREMises Information System
PREPNET
Pennsylvania Research & Economic Partnership network,=20 "PREPnet"
PRG
PAL/PROM Programming Department
PRI
Primary Rate Interface
PRISM
Parallel Reduced Instruction Set Multiprocessing
PRMD
Private Management Domain
PROFS
PRofessional OFfice System
PROLOG
PROgramming in LOGic
PROM
Programmable Read-Only Memory
PROMATS
PROgrammable Magnetic Tape System
PROPAL
Programmed PAL
PROTEL
PRocedure Oriented Type Enforcing Language
PROXYL
tetramethyl-PyRrolidine-OXYL
PRS
Personal Response System
PRTC
Puerto Rico Telephone Company
PS
PicoSecond
PS
PostScript [Adobe (tm)]
PS
PostScriptum
PS
Power Steering
PS
Power Supply
PS
Process Stop Ship
PS
Program Store
PS
Public School
PSA
Problem Statement Analyzer
PSAP
Public Safety Answering Point
PSC
Pittsburgh Supercomputer Center
PSC
Polar Stratospheric Clouds
PSC
Prime Service Contractor
PSC
Public Safety Calling system
PSC
Public Service Commission
PSDC
Public Switched Digital Capability
PSDN
Packet-Switched Data Network
PSDS
Public Switched Digital Service
PSDS
Public Switched Digital Service [telephony, AT&T?]
PSE
Packet Switch Exchange
PSE
Programming Support Environment
PSF
Point Spread Function
PSG
Platoon SerGeant
PSG
Professional Service Group (Sun group)
PSI
Packet Switch Interface
PSI
Packetnet System Interface
PSIU
Packet Switch Interface Unit
PSK
Phase-Shift Keying
PSL
Problem Statement Language
PSM
Packet Service Module
PSM
Position Switching Module
PSM
Professional Service Manager
PSN
Packet Switch Node
PSN
Packet Switched Network
PSN
Packet Switching Node
PSO
Pending Service Order
PSP
Product Support Plan
PSP
Program Segment Prefix
PSR
Product Specific Realizations
PSR
Product Specific Release
PSR
PulSaR
PSS
Packet Switch Stream
PSS
Packet Switched Services
PST
Pacific Standard Time
PSTN
Public Switched Telephone Network
PSU
Program Storage Unit
PSW
Program Status Word
PSWM
PostScript Window Manager
PT
Pacific Time
PT
Patrol Torpedo (as in PT boat)
PT
Physical Therapy
PT
Physical Training
PT
Program Timer
PTA
Parent-Teacher Association
PTAT
Private Trans Atlantic Telecommunications
PTD
Parallel Transfer Disk/Drive
PTE
Page Table Entry
PTI
Portable Test Instrument
PTN
Plant Test Number [telephony:actual number assigned for = 800=20 service]
PTO
Patent and Trademark Office
PTO
Please Turn Over
PTO
Power Take-Off
PTP
Point To Point
PTSD
Post Traumatic-Stress Disorder
PTT
Post, Telephone and Telegraph administration
PTT
Postal, Telephone, and Telegraph administration
PTV
Passenger Transport Vehicle [Space]
PTW
Primary Translation Word
PTY
Pseudo-Terminal driver
PU
Physical Unit
PUC
Peripheral Unit Controller
PUC
Public Utilities Commission
PUD
Planned Unit Development
PUP
PARC Universal Packet protocol
PV
PhotoVoltaic
PVC
Permanent Virtual Circuits
PVC
PolyVinylChloride
PVN
Private Virtual Network
PVO
Pioneer Venus Orbiter
PVT
Private (pilot certificate)
PW
Prisoner of War (usually POW)
PWB
Printed Wiring Board
PWB
Programmers Work Bench
PWD
Print Working Directory
PWG
Permanent Working Group
PX
Post eXchange (see also BX)
Pa
Pascal
Q
Queen('s), "Q."
Q
question, "Q."
QA
Quality Assurance
QAM
Quadrature Amplitude Modulation
QAS
Quasi-Associated Signaling
QB
queen's bishop (chess)
QBE
Query By Example
QBP
queen's bishop's pawn (chess)
QC
Quality Control
QC
Queen's Counsel
QCPE
Quantum Chemistry Program Exchange
QD
Quaque Die (daily)
QDA
Quantity Discount Agreement
QDCS
Quality, Deliverly, Cost, Service / Safety
QE
Quick Estimation
QED
Quantum ElectroDynamics
QED
Quod Erat Demonstrandum (which was to be demonstrated)
QEF
Quod Erat Faciendum (which was to be done)
QEI
Quod Erat Inveniendum (which was to be found out)
QET
Quantum Effect Transistor
QIC
Quarter-Inch Cartridge
QID
Quater In Die (four times a day)
QIS
Quality Information System
QKt
queen's knight (chess)
QKtP
queen's knights's pawn (chess)
QLI
Query Language Interpreter
QM
QuarterMaster
QMC
QuarterMaster Corps
QMF
Query Management Facility
QMG
QuarterMaster General
QMP
Quality Measurement Plan
QMS
Quality Micro Systems
QNS
Quantity Not Sufficient
QQV
which see (plural of q.v.), "qq.v."
QRA
Quality Reliability Assurance
QRSS
Quasi Random Signal Source
QSO
Quasi-Stellar Object
QSS
Quality Surveillance System
QTC
Quantitative Technology Corporation
QTY
Quantity
QUANGO
QUAsi Non-Governmental Organization
QUANTAS
QUeensland And Northern Territory Aerial Service, = "Quantas"
QUANTAS
Quantas Empire Airways
QUEL
QUEry Language
QV
which see (sing.), "q.v."
QWERTY
first six keys from left on top alphabetic row of standard = keyboard
QWL
Quality of Working Life
R
Republican, "R."
R
Ring
R
Rolemaster
R
rand
R
recto, "r."
R
right, "r"
R
roentgen
R
rook in chess
RA
Regular Army
RA
Research Assistant
RA
Return Authorization
RA
Royal Academy
RA
radium, "Ra"
RAAF
Royal Australian Air Force
RACE
Random Access Card Equipment
RACEP
Random Access and Correlation for Extended Performance =
RAD
Radiation Absorbed Dose
RAD
Rapid Access Disk
RADAR
RAdio Detection And Ranging
RADAR
Radio Association Defending Airwave Rights (radar detector = makers)
RADM
Rear ADMiral
RAF
Royal Air Force
RAID
Redundant Arrays of Inexpensive Disks
RAM
Random-Access Memory
RAMP
Ratings And Maintenance Phase
RAND
Rural Area Network Design
RAO
Regional Accounting Office
RAO
Revenue Accounting Office
RAR
Return Address Register
RARDE
Royal Armaments Research and Development Establishment
RARE
European Association of Research Networks
RARE
Reseaux Associes pour la Recherche Europeenne
RARP
Reverse Address Resolution Protocol = (Ethernet->Internet)
RAS
Reliability, Availability, and Serviceability
RASC
Residence Account Service Center
RATFOR
RATional FORtran
RB
Rhythm and Blues, "R&B"
RBC
Red Blood Count
RBHC
Regional Bell Holding Company
RBI
Runs Batted In
RBOC
Regional Bell Operating Company
RBOR
Request Basic Output Report
RBT
Reliable Broadcast Toolkit
RBTL
Read Between The Lines
RC
Receive Clock
RC
Red Cross
RC
Regional Center
RC
Repair Center (Sun)
RC
Resistance-Capacitance
RC
Resistor-Capacitor circuit (as in filters)
RC
Roman Catholic
RC
Run Commands
RCA
Radio Corporation of America
RCAF
Royal Canadian Air Force
RCAS
Reserve Component Automation System
RCC
Radio Common Carrier
RCC
Remote Cluster Controller
RCC
Reverse Command Channel
RCF
Remote Call Forwarding
RCI
Rodent Cage Interface (for SLS mission)
RCL
Runtime Control Library
RCLDN
Retrieval of Calling Line Directory Number
RCM
Remote Carrier Module
RCMAC
Recent Change Memory Administration Center
RCMP
Royal Canadian Mounted Police
RCP
Remote CoPy
RCS
Reaction Control System
RCS
Revision Control System
RCSC
Remote Spooling Communications Subsystem
RCT
Relayed Coherence Transfer
RCU
Radio Channel Unit
RCVR
ReCeiVeR
RD
Received Data
RD
Research and Development, "R&D"
RD
Rural Delivery
RDA
Remote Data Access
RDBMS
Relational DataBase Management System
RDES
Remote Data Entry System
RDF
Radio Direction Finding
RDL
Remote Digital Loopback
RDM
Reliably-Delivered Message (sockets)
RDP
Reliable Datagram Protocol
RDS
Radio Digital System
RDT
Radio Digital Terminal
REA
Rail Express Agency
REC
Regional Engineering Center
RECON
Reconnaissance
REGIS
REmote Graphics Instruction Set
REM
Rapid Eye Movement
REM
Rat Enclosure Module (for SLS mission)
REM
Rational Economic Man
REM
Remote Equipment Module
REM
Ring Error Monitor
REM
Roentgen Equivalent in Man
REMOBS
REMote OBservation System
REN
Ring Equivalence Number
REO
R. E. Olds
REO
Removable, Erasable, Optical
REQSPEC
REQuirements SPECification
RETMA
Radio Electronics Television Manufacturers Association = (rack=20 spacing)
REX
Raster Engine
REX
Remote EXecution
REXX
Restructured EXtended eXecutor
RF
Radio Frequency
RFC
Request For Comments [Internet]
RFD
Rural Free Delivery
RFE
Request For Enhancement
RFI
Radio Frequency Interference
RFP
Request For Proposals
RFQ
Request For Quotes
RFS
Remote File Sharing
RFS
Remote File System
RFT
Request For Technology
RGB
Red Green Blue
RGBI
Red Green Blue Intensity
RGP
Raster Graphics Processor
RGU
Radio Government/Universal, "RG/U"
RH
Right Hand
RHC
Regional (Bell) Holding Company
RHF
Restricted Hartree-Fock
RHS
Right Hand Side
RHV
Reid-Hillview Intergalactic, San Jose CA
RI
Receiving & Inspection, "R&I"
RI
Rhode Island
RI
Ring Indicator
RIACS
Research Institute for Advanced Computer Science (at NASA=20 Ames)
RIAS
Radio In the American Sector, berlin
RID
Remote Isolation Device
RIF
Reading Is Fundamental
RIF
Reduction In Force
RIFF
Resource Interchange File Format
RILM
Repertoire International de Literature Musicale
RIP
Raster Image Processor
RIP
Rest In Peace/Requiescat In Pace
RIP
Routing Information Protocol
RIPE
Reseaux IP Europeenne
RIPS
Raster Image Processing Systems Corp.
RISC
Reduced Instruction Set Computer
RISC
Relegate Important Stuff to the Compiler
RISLU
Remote Integrated Services Line Unit
RIT
Rochester Institute of Technology
RITA
Recognition of Information Technology Achievement = award
RJE
Remote Job Entry [IBM]
RLC
Resistor Inductor Capacitor
RLCM
Remote Line Concentrating Module
RLDS
The Re-organized Church of Latter-Day Saints
RLG
Research Libraries Group
RLIN
Research Libraries Information Network [run by RLG = (q.v.)]
RLL
Run Length Limited
RLOGIN
Remote Login, "rlogin"
RLT
Remote Line Test
RM
Record Marking
RM
Regional Manager
RMA
Return Materials Authorization
RMAS
Remote Memory Administration System
RMATS
Remote Maintenance Admisistration and Traffic System=20 [telephony]
RMF
Read Me First
RMI
Radio Magnetic Indicator
RMR
Remote Message Registers
RMR
Return Material Receipt
RMS
Record Management System
RMS
Remote Manipulator System [Space]
RMS
Richard M. Stallman
RMS
Root Mean Square
RMS
Royal Mail Ship
RN
Reference Noise
RN
Registered Nurse
RN
Royal Navy
RNA
RiboNucleic Acid
RNGC
Revised New General Catalog
RNOC
Regional Network Operations Center
RNR
Receive Not Ready
RNZAF
Royal New Zealand Air Force
RO
Read/Only, "R/O"
RO
Receive Only
ROA
Return On Assets
ROB
Remote Order Buffer
ROC
Regional Operating Company
ROE
Rate Of Exchange
ROE
Return On Equity
ROFF
Run-OFF
ROG
Receipt Of Goods
ROH
Receiver Off Hook
ROI
Region Of Interest
ROI
Return On Investment
ROM
Range Of Motion (medical)
ROM
Read-Only Memory
ROM
Rupture Of Membrane (as in birth)
RONA
Return on Net Assets
RONABIT
Return On Asset Before Income Tax
ROSAT
ROentgen SATellite
ROSE
Remote Operations Service Element
ROTC
Reserve Officers' Training Corps
ROTL
Remote Office Test Line
ROTS
Rotary Out Trunks Selectors
ROUS
Rodents Of Unusual Size
ROW
Rest Of the World
ROYGBIV
Red, Orange, Yellow, Green, Blue, Indigo, Violet, "Roy G. = Biv"
RP
Rolling Plan
RPC
Remote Procedure Call
RPG
RePort Generator
RPG
Role Playing Game
RPI
Rolling Plan Indices
RPM
Remote Process Management
RPM
Removable Peripheral Module
RPM
Resales Price Maintenance
RPM
Revolutions Per Minute
RPN
Reverse Polish Notation
RPO
Railway Post Office
RPS
Revolutions Per Second
RPS
Rotational Positional Sensing (disks)
RPV
Remotely Piloted Vehicle
RQ
RuneQuest
RQS
Rate/Quote System
RQSM
Regional Quality Service Management
RR
RailRoad
RR
Rate & Route, "R&R"
RR
Receive Ready
RR
Resource Record
RR
Route Relay
RR
Rural Route
RRIP
Rock Ridge Interchange Protocol
RRO
Rate and Route Operator [telephony]
RRO
Reports Receiving Office
RS
RISC System
RS
Recommended Standard
RS
Recording Secretary
RS
Revised Status
RS
Right Side
RS
Royal Society
RS232
Digital Communication Standard, "RS-232"
RSA
Repair Service Attendant
RSB
Repair Service Bureau
RSC
Remote Switching Center
RSC
Residence Service Center
RSCS
Remote Source Control System
RSCS
Remote Spooling and Communication Subsystem
RSE
Research & Systems Engineering, "R&SE"
RSFSR
Russian Soviet Federated Socialist Republic
RSH
Remote/Restricted SHell
RSLE
Remote Subscriber Line Equipment
RSLM
Remote Subscriber Line Module
RSM
Remote Switching Module
RSN
Real Soon Now
RSS
Remote Switching System
RSTS
Resource System Time Sharing
RSTSE
Resource System Time Sharing/Enhanced, "RSTS/E"
RSU
Remote Switching Unit
RSV
Revised Standard Edition
RSVP
Repondez S'il Vous Plait (please reply)
RSWC
Right Side up With Care
RT
RadioTelephone
RT
RealTime
RT
Risc Technology [IBM]
RTA
Remote Trunk Arrangement
RTAC
Regional Technical Assistance Center [telephony]
RTC
Right To Copy
RTF
Read This First
RTF
Rich Text Format
RTFM
Read The F***ing Manual
RTG
Radioisotope Thermoelectric Generator
RTL
Resistor-Transistor Logic
RTL
Run-Time Library
RTLS
Return To Launch Site (Shuttle abort plan)
RTM
Regional Telecommunications Management
RTM
Remote Test Module
RTMP
Routing Table Maintenance Protocol
RTR
Reel-To-Reel
RTS
Ready To Send
RTS
Real Time Systems (lll-csrg)
RTS
Reliable Transfer Service
RTS
Remote Testing System
RTS
Return To Stock
RTSE
Reliable Transfer Service Element
RTSL
Read The Source Luke
RTT
Round Trip Time
RTTY
Radio Teletype
RTU
Real Time Unix
RTU
Remote Trunking Unit
RTU
Right To Use
RU
Receive Unit
RUM
Remote User Multiplex
RW
Read/Write
RW
Read/Write, "R/W"
RW
Right Worshipful
RW
Right Worthy
RWC
Remote Work Center
RWE
Remote Wall Enclosure
RWM
Read/Write Memory, "R/WM"
RX
Remote eXchange
S
Siemens
S
Sleeve
S
South
S
Supplement
S
second (SI abbrev.), "s"
S
sulphur
SA
Salvation Army
SA
Seaman Apprentice
SA
Service Assistant
SA
Sex Appeal
SA
Sine Anno (without date)
SA
South Africa
SA
South America
SA
South Australia
SA
Subject to Approval
SAA
South Atlantic Anomaly
SAA
Systems Application Architecture (IBM)
SAAB
Svenska Aeroplan AktieBolaget (Swedish Aircraft = Corporation)
SABME
Set Asynchronous Balanced Mode Extended
SABRE
Semi-Automated Business Research Environment
SAC
Service Area Code
SAC
Strategic Air Command [US military]
SACK
Selective ACK
SADD
Students Against Drunk Driving
SAE
Society of Automotive Engineers
SAG
Street Address Guide
SAGA
Solar Array Gain Augmentation (for HST)
SAI
Serving Area Interface
SAIC
Science Applications International Corporation
SAKDC
Swiss Army Knife Data Compression
SALI
Standalone Automatic Location Identification
SALT
Strategic Arms Limitting Talks
SAM
Surface-to-Air Missile
SAMA
Step-by-step Automatic Message Accounting [telephony]
SAMPEX
Solar Anomalous and Magnetospheric Particle EXplorer
SAMTO
Space And Missile Test Organization
SAO
Smithsonian Astrophysical Observatory
SAP
Second Audio Program
SAP
Service Access Point
SAR
Search And Rescue
SAR
Store Address Register
SAR
Synthetic Aperture Radar
SARA
Satellite pour Astronomie Radio Amateur
SAREX
Search and Rescue Exercise
SAREX
Shuttle Amateur Radio Experiment
SARTS
Switched Access Remote Test System
SAS
Single Attach Station
SAS
Southern All Stars
SAS
Space Activity Suit
SAS
Space Adaptation Syndrome
SAS
Statistical Analysis Software?
SASE
Self-Addressed Stamped Envelope
SASE
Specific Application Service Element
SASI
Shugart Associates Systems Interface
SAT
Satellite [Space]
SAT
Scholastic Aptitude Test
SAT
Special Access Termination
SAT
Supervisory Audio Tone
SAT
Synthetic Aperture Telescope
SAW
Surface Acoustic Wave
SBA
Small Business Administration
SBC
Single Board Computer
SBMS
Southwestern Bell Mobile Service
SBS
Skyline Business Systems
SBU
Strategic Business Unit
SBUS
School Bus, "S-Bus"
SBWR
Simplified Boiling Water Reactor
SC
Scanner Controller
SC
Secondary Channel
SC
Sectional Center
SC
Skull & Crossbones, "S&C"
SC
South Carolina
SC
SpaceCraft, "S/C"
SC
SubCommittee
SCA
Shuttle Carrier Aircraft
SCA
Sunlink Channel Adapter
SCAD
Subsonic Cruise Armed Decoy
SCADA
Supervisory Control And Data Acquisition
SCADC
Standard Central Air Data Computer
SCAME
SCreen oriented Anti-Misery Editor
SCAMP
Single-Chip A-series Mainframe Processor
SCAN
Switched Circuit Automatic Network
SCAT
Stromberg-Carlson Assistance Team
SCB
System Control Block
SCC
Serial Communication Controller
SCC
Specialized Common Carrier
SCC
Switching Control Center (or Specialized Common Carriers) =
SCCA
Sports Car Club of America
SCCS
Source Code Control System
SCCS
Specialized Common Carrier Service
SCCS
Switching Control Center System
SCE
Signal Conversion Equipment
SCE
Structure Chart Editor
SCED
SCSI/Ethernet/Diagnostics (Sequent board)
SCF
Selective Call Forwarding
SCF
Self Consistent Field
SCI
SpaceCraft Incorporated
SCIFI
SCIence FIction, "sci-fi"
SCM
Software Configuration Management
SCM
Subscriber Carrier Module
SCMS
Serial Copy Management System
SCO
Santa Cruz Operation
SCO
Serving Central Office
SCOOPS
SCheme Object Oriented Programming System
SCOT
Stepper Central Office Tester
SCOTS
Surveilance and Control Of Transmission Systems
SCP
Signal Control Point
SCP
Signal Conversion Point
SCP
Sunlink Communications Processor
SCP
System Control Program
SCPC
Signal Channel Per Carrier
SCPD
Supplementary Central Pulse Distributor
SCPI
Standard Commands for Programmable Instrumentation
SCRAM
Static Column RAM (h/w)
SCS
Silicon Controlled Switch
SCSA
Sun Common SCSI Architecture
SCSI
Small Computer System Interface (pronounced scuzzi)
SCT
Schmidt-Cassegrain Telescope
SCTS
Secondary Clear To Send
SCU
Selector Control Unit
SCUBA
Self Contained Underwater Breathing Apparatus
SCUD
Subsonic Cruise Unarmed Decoy
SCX
Specialized Communications eXchange
SD
SCSI Disk
SD
South Dakota
SDA
Send Data With Immediated Ackonwledge
SDA
Swappable Data Area
SDB
Safety Deposit Box
SDCD
Secondary Data Carrier Detect
SDD
Specific Development & Design, "SD&D"
SDF
Secondary Distribution Frame
SDF
Standard Data Format
SDF
SubDistribution Frame
SDH
Synchronous Digital Hierarchy (synchronous multiplexed=20 network)
SDI
Selective Dissemination of Information
SDI
Space Defense Initiative
SDI
Standard Disk Interconnect
SDI
Standard Disk Interface
SDI
Storage Device Interconnect
SDI
Strategic Defense Initiative [US Government]
SDIO
Strategic Defense Initiative Organization
SDIS
Switched Digital Integrated Service
SDK
Software Development Kit
SDL
Specification and Description Language
SDL
System Design Language
SDLC
Synchronous Data Link Control [IBM]
SDLP
Standard Device Level Protocol
SDM
Sub-rate Data Multiplexer
SDN
Software-Defined Network
SDO
Staff Duty Officer
SDOC
Selective Dynamic Overload Controls
SDP
Service Delivery Point
SDR
Store Data Register
SDRC
Structural Dynamics Research Corporation
SDS
Sodium Dodecyl Sulfate
SDS
Switched Data Service
SDS
Synchronous Data Set
SDSC
San Diego Supercomputer Center
SDSC
Synchronous Data Set Controller
SDU
Service Data Unit
SDV
Shuttle Derived Vehicle [Space]
SE
South East
SE
Systems Engineer
SEAP
Service Element Access Point
SEAS
Signaling Engineering and Administration System
SEATO
SouthEast Asia Treaty Organization
SEC
Securities and Exchange Commission
SEC
Security Exchange Commission
SECAM
SEquential Couleur Avec Memoire
SECNAV
SECretary of the NAVy
SECSY
Spin-Echo Correlated SpectroscopY
SED
Stream EDitor
SEI
Software Engineering Institute (Carnegie Mellon)
SEI
Space Exploration Initiative
SEL
SELector
SEL
Software Engineering Laboratory
SELV
Safety Extra-Low Voltage
SEM
Scanning Electron Microscope
SER
Satellite Equipment Room
SERC
Science & Engineering Research Council
SERC
Swedish Energy Research Commission
SES
Service Evaluation System
SESRA
Seattle Employee Services Recreation Association
SEST
Swedish-European Submillimeter Telescope
SET
Single Electron Transfer
SET
Software Engineering Technology
SETI
Search for ExtraTerrestrial Intelligence
SF
San Francisco
SF
Science Fiction; Speculative Fiction
SF
Single Frequency
SF
Standard Form
SF
Star Frontiers
SFD
Sun Federal Division
SFDM
Statistical Frequency Division Multiplexing
SFMC
Satellite Facility Management Center
SFO
San Francisco CA
SFRPG
Science Fiction Role Playing Game
SG
Signal Ground
SG
StarGuard
SG
SubGroup
SG
SuperGroup
SGI
Silicon Graphics Incorporated
SGML
Standard Generalized Markup Language
SGMP
Simple Gateway Monitoring Protocol (superseded by = SNMP)
SHAPE
Supreme Headquarters Allied Powers Europe
SHAR
SHell ARchiver
SHCD
Sherlock Holmes Consulting Detective
SHF
Super High Frequency (3-30GHz)
SHRPG
Super Hero Role Playing Game
SI
Staten Island
SI
Status Indicator
SI
System Integrater
SIAM
Society for Industrial and Applied Mathematics
SIC
Second In Command
SIC
Silicon Integrated Circuit
SICK
Single Income, Coupla' Kids
SID
Sudden Ionospheric Disturbance
SID
System IDentification
SIG
Special Interest Group
SIGCAT
Special Interest Group for Cd-rom Applications = Technology
SIMD
Single Instruction, Multiple Data
SIMM
Single Inline Memory Module
SINE
SINE is not EINE
SIP
Single Inline Package/Pin
SIPC
Securities Investment Protection Corporation
SIPP
Strategic Industry Partners Program
SIPS
Satellite Imagery Processing System
SIR
Shuttle Imaging Radar
SIRTF
Space (formerly Shuttle) InfraRed Telescope Facility
SIS
Software Information Services
SIS
Strategic Information System
SISAL
Streams and Iteration in a Single-Assignment Language
SISCOM
Satellite Information System COMpany
SIT
Special Information Tone
SITA
Societe Internationale Telecommunications = Aeronautiques
SJ
Society of Jesus
SJC
San Jose CA
SKU
Stock Keeping Unit
SL
Salvage Loss
SL
Space Launch [Space]
SL
SpaceLab
SLA
Special Libraries Association
SLA
Symbionese Liberation Army
SLA
Synchronous Line Adapter
SLALOM
Scalable Language-independent Ames Laboratory One-minute=20 Measurement
SLAN
Sine Loco, Anno, (vel) Nomine (without place, year, or = name)
SLAPP
Strategic Litigation Against Protesting People
SLAR
Side Looking Airborne Radar
SLBM
Submarine Launched Ballistic Missiles
SLC
Space Launch Complex [Space]
SLC
Subscriber Loop Carrier
SLC
Super Low Cost
SLDC
Synchronous Data Link Control
SLE
Screening Line Editor
SLED
Single Large Expensive Drive
SLIC
Subscriber Line Interface Circuit
SLIC
System Link and Interrupt Controller (Sequent)
SLIM
Subscriber Line Interface Module
SLIP
Serial Line Internet Protocol
SLP
Super Long Play (VHS VCR, aka EP)
SLS
Space(lab) Life Sciences
SLUFAE
Surface Launched Unit, Fuel Air Explosive
SM
Service Mark
SM
Switching Module
SMA
Sergeant Major of the Army
SMA
Spectrum Manufacturers Association
SMAS
Supplementary MAin Store
SMAS
Switched Maintenance Access System
SMASF
SMAS Frame
SMASPU
SMAS Power Unit
SMB
System Message Block
SMC
Small Magellanic Cloud (see LMC)
SMD
Standard Molecular Data format
SMD
Storage Module Device (interface standard for disk = drives)
SMD
Surface Mounted Devices
SMDF
Subscriber Main Distributing Frame
SMDI
Subscriber Message Desk Interface
SMDR
Station Message Detail Recording
SMDR
Station Message Detailed Recording
SMDS
Switched Multimegabit Data Service
SMDS
switched multimegabit data service, Bellcore-developed=20 standard
SME
Society of Manufacturing Engineers
SME
Solar Mesosphere Explorer
SMEGMA
Sophisticated Modern Editor with Gloriously Magnificent=20 Abilities
SMERSH
abbr. of Russian phrase meaning "Death to the spies."
SMEX
SMall EXplorers
SMG
SuperMasterGroup
SMI
Structure of Management Information
SMI
Sun Microsystems Inc.
SMILS
Sonobuoy Missile Impact Location System
SMIT
System Management Interface Tool
SMK
Software Migration Kit
SMM
Solar Maximum Mission
SMO
Santa Monica CA
SMOC
Small Matter Of Commitment
SMOH
Since Major OverHaul
SMOP
Small Matter Of Programming
SMP
Symmetric MultiProcessing
SMPTE
Society of Motion Picture and Television Engineers
SMR
Service Marketing Representative
SMS
Service Management System
SMSA
Standard Metropolitan Statistical Area
SMT
Surface Mount Technology
SMTP
Simple Mail Transfer Protocol
SN
Subnetwork Number
SN
Super Nova
SNA
Santa Ana (Orange County) CA
SNA
Systems Network Architecture [IBM]
SNADS
SNA Distribution Services
SNADS
Systems Network Architecture Distribution Service
SNAFU
Situation Normal -- All Fouled/F***ed Up
SNAP
Shipboard Non-tactical Automated data Processing = program
SNAP
SubNetwork Access Protocol
SNAP
System and Network Administration Program
SNCF
Societe National des Chemins de Fer (French National = Railways)
SNET
Southern New England Telephone
SNF
Server Normal/Natural Format
SNF
Server-Natural Format
SNI
Siemens Nixdorf Informationssysteme
SNM
SunNet Manager
SNMP
Simple Network Management Protocol
SNOBOL
StriNg Oriented symbOLic Language
SNPA
SubNetwork Point of Attachment
SNR
Signal to Noise Ratio
SNR
SuperNova Remnant
SNTSC
Super NTSC (video)
SNU
Solar Neutrino Units
SO
Sales Order
SO
Seller's Option
SO
Significant Other
SO
Space Opera
SO
Strike Out
SOAC
Service Order Analysis Control
SOAP
Symbolic Optimizing Assembler Program
SOAR
Smalltalk On A Risc
SOC
Service Oversight Center
SOF
Sales Order Form
SOFIA
Stratospheric Observatory For Infrared Astronomy
SOH
Service Order History
SOH
Start Of Header, ASCII control character = (dec=01,control-A)
SOHIO
Standard Oil of oHIO [Corporate name]
SOHO
SOlar Heliospheric Observatory
SOL
Short on Landing (or, colloquially, Shit Out of Luck)
SOMM
Stop On Micro-Match
SONAR
SOund Detection And Ranging
SONAR
Service Order Negotiation And Retrieval
SONDS
Small Office Network Data System
SONET
Synchronous Optical NETwork
SOP
Standard Operating Procedure
SOR
Sales Order Request
SOS
Save Our Souls (International standard distress call, = Morse=20 ...---...)
SOS
Silicon On Sapphire
SOW
Statement Of Work
SP
Shore Patrol
SP
Short Play (VHS VCR)
SP
Signal Processor
SP
Signaling Point
SP
Southern Pacific (railroad) [Corporate name]
SP
Stack Pointer
SP
Standard Play (VHS VCR)
SP
Star Patrol
SP
System Product (IBM VM)
SPA
Software Publishers Association
SPAG
Standards Promotion and Applications Group
SPAN
Space Physics Analysis Network
SPAN
System Performance ANalyzer
SPAR
Stock Points Adp Replacement
SPARC
Scalable Processor ARChitecture
SPARC
Standards, Planning, And Requirements Committee
SPARS
Society of Professional Audio Recording Studios
SPAWAR
naval SPAce and WARfare command
SPC
Software Productivity Consortium
SPC
Southern Pacific Communications
SPC
Statistical Process Control
SPC
Stored Program Control
SPCA
Society for the Prevention of Cruelty to Animals
SPCC
Society for the Prevention of Cruelty to Children
SPCS
Stored Program Control Systems
SPD
Software Products Division
SPDL
Standard Page Description Language (ISO)
SPDM
Special Purpose Dextrous Manipulator
SPE
Symbolic Programming Environment
SPEC
Standard Performance Evaluation Corporation
SPI
Selective Population Inversion
SPI
Serial Peripheral Interface
SPIM
Sun Product Information Meeting
SPITBOL
SPeedy ImplemenTation of snoBOL
SPL
System Programming Language
SPNI
Society for the Protection of Nature in Israel
SPOT
Systeme Probatoire pour l'Observation de la Terre
SPR
Software Problem Report
SPS
Solar Power Satellite [Space]
SPS
Standby Power System
SPU
System Processing Unit
SPUCDL
Serial Peripheral Unit Controller/Data Link, "SPUC/DL"
SPUD
Storage Pedestal Upgrade Disk/Drive
SPUR
Systech Pluraxial Unplug Repeater
SQA
Software Quality Assurance
SQC
Single-Quantum Coherence
SQC
Statistical Quality Control
SQE
Signal Quality Error ("heartbeat")
SQL
Structured Query Language
SQLDS
Structured Query Language/Data System, "SQL/DS"
SQUID
Superconducting QUantum Interference Device
SR
Sales Representative
SR
Street Regal (KDX)
SRA
Selective Routing Arrangement
SRAM
Scratchpad RAM
SRAM
Short Range Attack Missile
SRAM
Static RAM
SRB
Solid (fuel) Rocket Booster [Space]
SRD
Secondary Receive Data
SRI
Stanford Research Institute (now called SRI = International)
SRM
Solid Rocket Motor
SRO
Standing Room Only
SRP
source routing protocol, an IBM specification
SRS
Service Repair System
SRTS
Secondary Ready To Send
SS
Sales Support
SS
Sparc Station
SS
Special Services
SS
Stack Segment
SS
Stop Ship
SSA
Soaring Society of America
SSA
Social Security Administration [U.S. Government]
SSAP
Session Service Access Memory
SSAS
Station Signaling and Announcement Subsystem
SSB
Single SideBand
SSBAM
Single-SideBand Amplitude Modulation
SSC
Special Services Center
SSC
Specialized Systems Consultants
SSCP
Subsystem Services Control Point
SSCP
System Services Control Point
SSD
Solid State Disk
SSDU
Session Service Data Unit
SSE
Software Support Engineer
SSE
South-SouthEast
SSEL
Session Service Selector
SSF
Space Station Fred (er, Freedom)
SSFF
Showcase Software Factory of the Future
SSG
Staff SerGeant
SSI
Small Scale Integration
SSI
Solid-State Imager (on Galileo)
SSI
Space Services Incorporated [Space]
SSI
Space Studies Institute
SSI
Supplemental Security Income
SSME
Space Shuttle Main Engine
SSO
Satellite Switching Office
SSP
Signal Switching Point
SSP
Sponsor Selective Pricing
SSP
System Status Panel
SSPC
SSP Controller
SSPF
Space Station Processing Facility
SSPRU
SSP Relay Unit
SSPS
Satellite Solar Power Station [Space]
SSR
Secondary Surveillance Radar
SSR
Soviet Socialist Republic
SSRMS
Space Station Remote Manipulator System
SSS
System Support Specialist
SST
Spectroscopic Survey Telescope
SST
Spread-Spectrum Technology
SST
SuperSonic Transport
SSTO
Single Stage to Orbit [Space]
SSTTSS
Space-Space-Time-Time-Space-Space network
SSTV
Slow Scan TeleVision
SSW
South-SouthWest
ST
STart
ST
Seagate Technologies
ST
Short Ton
STAGE
Structured Text And Graphics Editor
STARS
Software Technology for Adaptable, Reliable Systems
STB
Software Technical Bulletin
STC
Serving Test Center
STC
Supplemental Type Certificate
STC
Switching Technical Center
STD
Sacrae Theologiae Doctor (doctor of sacred theology)
STD
Secondary Transmit Data
STD
Sexually Transmitted Disease (replaces VD)
STD
State Transition Diagram
STD
Subscriber Trunk Dialing [British, and elsewhere; equiv. = DDD in=20 USA]
STDM
Statistical Time Division Multiplexing
STI
Standard Tape Interface
STILO
Scientific and Technical Intelligence Liaison Office
STIS
Space Telescope Imaging Spectrometer (to replace FOC and = GHRS)
STL
St. Louis (Lambert) MO
STN
Scientific and Technical information Network
STN
SuperTwisted Nematic
STO
Slater Type Orbital
STOH
Since Top Overhaul (cylinders, etc., but not crankshaft, = etc.)
STOL
Short TakeOff and Landing
STP
Shielded Twisted Pair
STP
Signal Transfer Point
STP
Software Through Pictures
STP
Standard Temperature and Pressure (see NTP)
STP
spanning tree protocol, an IEEE 802.1 routing = specification
STRPG
Star Trek: The Role-Playing Game
STS
Sales Technical Support
STS
Shared Tenant Service
STS
Shuttle Transport System (or) Space Transportation = System
STS
Space-Time-Space network
STSCI
Space Telescope Science Institute, "STScI"
STSI
Space Telescope Science Institute
STTNG
Star Trek: The Next Generation, "ST:TNG"
STTOS
Star Trek: The Old Stuff/The Original Series, "ST:TOS"
STV
Single Transferable Vote
STV
Space Transfer Vehicle [Space]
SU
Set Uid
SUCCESS
SUn Corporate Catalyst Electronic Support Service
SUG
Sun User's Group
SUID
Set UID
SUM
Symantec Utilities for Macintosh
SUN
Stanford University Network
SUNDIAG
SUN system DIAGnostics software
SUNET
Swedish University NETwork
SUNOCO
SUN Oil COmpany [Corporate name]
SUNVIEW
SUN's Visual / Integrated Environment for Workstations
SUNY
State University of New York
SURANET
Southeastern Universities Research Association network,=20 "SURAnet"
SURF
Sequent Users Resource Forum
SUSP
System Use Sharing Protocol
SVC
Switched Virtual Circuits
SVGA
Super VGA
SVID
System V Interface Definition
SVP
Schematic Verification Program
SVR4
System V Release 4
SVS
Switched Voice Service
SVVS
System V Validation Suite
SVVS
System V Verification Suite
SW
South West
SW
SuperWorld
SWAN
Sun Wide Area Network
SWAS
Submillimeter Wave Astronomy Satellite
SWB
SouthWestern Bell
SWF
ShortWave Fading
SWIFT
Society for Worldwide Interbank Financial Transfers
SWM
Solbourne Window Manager
SWO
Sales Work Order
SWS
Scientific Workstation Support (at ORNL)
SX
SimpleX signaling
SXS
Step by (X) Step switching [Telephony]
SYC
SYstem Control
SYMPL
SYsteMs Programming Language
SYN
SYNchronizing segment
SYSGEN
SYStem GENeration
T
Tip
T
Traveler
T
tera- (SI prefix)
T
tesla
T
ton(s), "t."
T
tonne(s), "t."
T
tritium
T
tun(s), "t."
T1
1.544Mbps [telephony], one of the basic signalling systems = 24x64Kb
T1FE
T1 carrier Front End
T1OS
T1 carrier OutState, "T1/OS"
T3
44.736 Mbps (eq 28 T1 channels) [Telephony]
TA
Teaching Assistant
TA
Terminal Adaptor
TA
Territorial Army
TA
Transfer Allowed
TAB
Tape Assembly Bonding
TAB
Technical Assistance Board
TAC
Tactical Air Command (see SAC)
TAC
Terminal Access Circuit
TAC
Terminal Access Controller [ARPAnet/MILNET/DDN]
TACCS
Tactical Army Combat service support Computer System
TAE
Transportable Applications Environment
TAG
Technical Advisory Group (ISO)
TAL
Transatlantic Abort Landing (Shuttle abort plan)
TAM
Total Available Market
TANSTAAFL
There Ain't No Such Thing As A Free Lunch
TAP
Telephone Assistance Plan
TAR
Tape ARchiver
TAS
Telephone Answering Service
TASC
Technical Assistance Service Center
TASC
Telecommunications Alarm Surveillance and Control = system
TASI
Time Assignment Speech Interpolation system
TAT
TransAtlantic Telephone
TAT
Turn Arround Time
TAU
Thousand Astronomical Units [Space]
TB
TuBerculosis
TBA
To Be Announced/Arranged
TBD
To Be Designed/Determined
TBO
Time Between Overhaul
TC
Teachers College
TC
Technical Committee (ISO)
TC
Timing Counter
TC
Tinned Copper
TC
Toll Center
TC
Total Color
TCA
Terminal Control Area
TCA
Terminal Controlled Airspace
TCAP
Transaction Capabilities Applications Port
TCAS
T-Carrier Administration System
TCB
Task Control Block
TCB
Trusted Computer Base
TCC
Trunk Class Code
TCCC
Technical Committee on Computer Communications
TCG
Test Call Generation
TCM
Time Compression Multiplexer
TCM
Trellis Coded Modulation
TCP
Transmission Control Protocol
TCPIP
Transmission Control Protocol/Internet Protocol, = "TCP/IP"
TCR
Transient Call Record
TCS
Thermal Control System
TCS
Traction Control System (to prevent wheel-spin)
TCSEC
Trusted Computer System Evaluation Criteria (orange = book)
TCT
To Challenge Tomorrow
TCT
Toll Connecting Trunk
TD
TouchDown
TD
Transmit Data
TD
Treasury Department
TDAS
Traffic Data Administration System
TDC
Tape Data Controller
TDC
Terrestrial Data Circuit
TDCC
Transportation Data Coordinating Committee
TDD
Telecommunications Device for Deaf
TDD
Telephone Device for the Deaf
TDE
Transition Diagram Editor
TDI
Trusted Database Interpretation
TDL
Test Description Language
TDM
Time-Division Multiplexing
TDMA
Time-Division Multiple Access
TDO
Table of Denial Orders
TDR
Time Domain Reflectometer
TDRS
Tracking and Data Relay Satellite [Space]
TDRSS
Tracking and Data Relay Satellite System
TDY
Temporary DutY
TE
Terminal Equipment
TE
Transverse Electric
TEB
Teterboro NJ
TEC
Technology Exchange Company
TECO
Tape Editor and COrrector
TECO
Text Editor and COrrector
TEFLON
polyTEtraFLuOrethyleNe
TEHO
Tail End Hop Off
TELEX
TELetypewriter EXchange
TELSAM
TELephone Service Attitude Measurement
TEM
Transmission Electron Microscope
TEMA
Tubilar Exchanger Manufacturers Association
TEMPEST
Transient Electro-Magnetic Pulse Emanation STandard
TEMPO
TEtraMethyl-Piperidine-Oxyl
TEMPO
Technical Military Programming Organization
TEMPOL
TEtraMethyl-PiperidinOL-oxyl
TEMPONE
TEtraMethyl-PiperidinONE-oxyl
TER
Technical Education Resources
TERM
TERMinal
TES
Thermal Emission Spectrometer (on Mars Observer)
TET
Test Environment Toolkit
TFC
Total Full Color
TFLAP
T-carrier Fault-Locating Applications Program
TFP
Tops Filing Protocol
TFS
Translucent File System
TFS
Trunk Forecasting System
TFT
The Fantasy Trip
TFT
Thin Film Transistor
TFTP
Trivial File Transfer Protocol
TG
Thieves' Guild
TGC
Terminal Group Controller
TGN
Trunk Group Number
TGV
Two Guys and a Vax
TH
Trouble History
THF
TetraHydroFuran
THIEF
THief/This Here Isn't Even Fine
THOR
THermal Optical Recording
THOR
Tandy High-intensity Optical Recording
THRUSH
Technological Hierarchy for the Removal of Undesireables = and=20 Subjugation of Humanity
THX
Tom Holman Xover
TI
Texas Instruments [Corporate name]
TI
Transport Independent
TIA
Telephone Information Access
TIA
Thanks In Advance [net jargon]
TIA
Transient Ischemic Attack
TIC
TermInfo Compiler
TID
Ter In Die (three times a day)
TIFF
Tag(ged) Image File Format
TIGA
Texas Instruments Graphics Architecture
TINA
TINA Is Not an Acronym
TINA
This Is Not an Acronym
TIP
Team Improvement Program
TIRKS
Trunk Integrated Record Keeping System
TIROS
Television InfraRed Observation Satellite
TK
TeleKommunikation
TKO
Technical Knock Out
TL
Total Loss
TLA
Three Letter Acronym
TLB
Translation lookaside buffer
TLC
Tender Loving Care
TLC
Thin-Layer Chromatography
TLI
Transport Level Interface (AT&T stream-based = protocol)
TLM
Trouble Locating Manual
TLN
Trunk Line Network
TLP
Transmission Level Point
TLTP
Trunk Line and Test Panel
TLV
Type, Length, Value
TM
TradeMark
TM
Transverse Magnetic
TMA
Tycho Magnetic Anomaly [movie 2001]
TMAC
Treasury department's Multiuser Acquisition Contract
TMDF
Trunk Main Distributing Frame
TMIS
Telecommunications Management Information System
TMMS
Telephone Message Management System
TMO
Telephone Money Order
TMP
The Morrow Project
TMR
Transient Memory Record
TMRC
Tech Model Railroad Club [MIT]
TMRC
Transportation Modeling Research Center (TMRC {above} = alter=20 ego)
TMRS
Traffic Measurement and Recording System
TMRS
Traffic Metering Remote System
TMS
TetraMethylSilane; TriMethylSilyl
TMS
Time-Multiplexed Switch
TMSC
Tape Mass Storage Control (DEC)
TN
Telephone Number
TN
Tennessee
TN
Transaction Number
TN
Twisted Nematic
TNC
Threaded Navy Connector
TNC
Threaded Neill Concelman (connector) [electronics] (see = also=20 BNC)
TNDS
Total Network Data System
TNN
Trunk Network Number
TNOP
Total Network Operation Plan
TNPC
Traffic Network Planning Center
TNT
The NeWS Toolkit
TNT
TriNitroToluene
TO
Telegraph Office
TO
Turn Over
TOC
Table Of Contents
TOCSY
TOtal Correlation SpectroscopY
TOD
Time-Of-Day
TODS
Transactions on Database Systems (ACM)
TOMS
Total Ozone Mapping Spectrometer
TOMS
Transactions on Mathematical Software (ACM)
TOOIS
Transactions on Office Information Systems (ACM)
TOOTKA
Terms One Ought To Know About
TOP
Technical/Office Protocol
TOPICS
Total On-Line Program and Information Control System = (NHK)
TOPLAS
Transactions on Programming Languages and Systems = (ACM)
TOPS
Timesharing OPerating System
TOPS
Traffic Operator Position System
TOPS
Transcendental OPerating System
TORES
Text ORiented Editing System
TOS
The Operating System
TOS
Transfer Orbit Stage [Space]
TOW
Tube launched, Optically tracked, Wire guided missile
TOY
Time Of Year (clock)
TP
Test Plan
TP
Third Party
TP
Toll Point
TP
Transaction Processing
TP
Transport Protocol
TP
Twisted Pair
TP
from TP0 and TP4 (ISO/CCITT Transport Services; like = TCP)
TP0
OSI Transport Protocol Class 0 (Simple Class)
TP4
OSI Transport Protocol Class 4 (Error Detection and = Recovery=20 Class)
TPC
The Phone Company [movie The President's Analyst)
TPE
Twisted Pair Ethernet
TPI
Tracks Per Inch
TPM
Third-Party Maintenance
TPMP
Total network data system Performance Measurement Plan
TPO
Traveling Post Office
TPPI
Time-Proportional Phase Increment
TPS
Technical Publication Software
TPS
Technical Publishing Software
TPS
TeleProcessing Services
TPS
Thermal Protection System
TPS
Transactions Per Second
TPT
Twisted Pair Transceiver
TQC
Total Quality Control
TR
Test Register
TR
Token Ring
TR
Transfer Register
TRAC
Total Risk Analysis Calculation (SunTrac)
TREAT
Trouble Report Evaluation Analysis Tool
TRIB
Transfer Rate of Information Bits
TRMTR
TRamsMiTteR
TROFF
Text RunOFF, text formatter
TROFF
Typsetter new ROFF
TRON
The Real-time Operating Nucleus
TRON
The Realtime Operating system Nucleus
TRR
Tip-Ring Reverse
TRR
Token Ring Repeater
TRSA
Terminal Radar Service Area
TRUSIX
TRUSted unIX
TRW
Thompson, Ramo, and Woolridge
TS
Top Secret
TSAP
Transport Service Access Point
TSCPF
Time Switch and Call Processor Frame
TSD
Total System Design
TSDU
Transport Service Data Unit
TSE
Technical Support Engineer (Sun)
TSEL
Transport Service Selector
TSI
Time Slot Interchanger
TSM
Tech Support Manager
TSO
Technical Standard Order
TSO
Time Sharing Option
TSORT
Transmission System Optimum Relief Tool
TSP
Teleprocessing Services Program
TSP
Test SuPervisor
TSP
Thrift Savings Plan
TSP
Time Synchronization Protocol
TSP
Traffic Service Position
TSP
TriSodium Phosphate
TSPS
Traffic Service Position System
TSR
TSR (Fortune 500 Company that manufactures Dungeons &=20 Dragons)
TSR
Terminate and Stay Resident
TSR
Test Summary Report
TSS
Tethered Satellite System [Space]
TSS
Time-Sharing System
TSS
Trunk Servicing System
TSST
Time-Space-Space-Time network
TST
Time-Space-Time network
TST
Traveling-Wave Tube
TSTO
Two Stage to Orbit [Space]
TSTS
Time-Space-Time-Space network
TT
Trunk Type
TT
Tunnels & Trolls, "T&T"
TTC
Telecommunications Technology Council
TTC
Terminating Toll Center
TTD
Things To Do
TTFN
Tah Tah, For Now
TTL
Time To Live
TTL
Transistor-Transistor Logic
TTMA
Tennessee Tech Microcomputer Association
TTP
Telephone Twisted Pair
TTP
Trunk Test Panel
TTS
Trunk Time Switch
TTTN
Tandem Tie Trunk Network
TTU
Tennessee Technological University
TTY
TeleTYpe(writer)
TTYC
TTY Controller
TUG
TeX User's Group
TUNIS
Toronto UNIversity System
TUR
Traffic Usage Recording
TUR
Trunk Utilization Report
TV
TeleVision
TVA
Tennessee Valley Authority
TVTWM
Tom's Virtual TWM
TW
Thieves' World
TWA
Trans World Airlines
TWG
The Wollongong Group
TWIMC
To Whom It May Concern
TWM
Tab (or Tom's) Window Manager
TWT
Traveling Wave Tube
TWX
TeletypeWriter eXchange
TX
Texas
TX
Transmit
TX
Transuction
TXID
Transuction Identifier
U
(representing the greek mu) - micro, "u"
U
Universe
U
unified atomic mass unit, "u"
U
uranium
UA
United Artists
UA
User Agent
UAB
UNIX Appletalk Bridge
UAE
Unexpected Application Error
UAE
United Arab Emerates
UAF
User Authorization File
UAPDU
User Agent Protocol Data Unit
UAR
United Arab Republic
UAR
User Action Routine
UARS
Upper Atmosphere Research Satellite
UART
Universal Asynchronous Receiver and Transmitter
UBA
UniBus Adapter [DEC]
UBC
Universal Bibliographic Control
UBC
University of British Columbia
UBM
Unpressurized Berthing Mechanism
UC
University of CA
UC
upper case, "u.c."
UCAR
University Corporation for Atmospheric Research
UCB
University of California at Berkeley
UCC
Uniform Commercial Code
UCD
Uniform Call Distribution
UCD
University of California at Davis
UCI
University of California at Irvine
UCL
Underwater Sound Laboratory
UCL
University College London
UCLA
University of California at Los Angeles
UCR
University of California at Riverside
UCSB
University of California at Santa Barbara
UCSC
University of California at Santa Cruz
UCSD
University of California at San Diego
UCSF
University of California at San Francisco
UDB
Unified DataBase
UDF
User Defined Function
UDMH
Unsymmetrical DiMethyl Hydrazine
UDP
User Datagram Protocol
UDT
User Defined Type
UEC
User Environment Component
UFO
Unidentified Flying Object
UFS
Universal File System
UG
Micro-Grip (HP plotter paper positioner)
UGC
Uppsala General Catalog
UH
Upper Half
UHF
Ultra High Frequency (300-3000MHz)
UHF
Unrestricted Hartree-Fock
UI
Unix International
UI
User Interface
UIC
User Identification Code
UID
User IDentity
UIL
User Interface Language
UIMS
User Interface Management System
UIP
User Interface Program
UIT
Ultraviolet Imaging Telescope (Astro package)
UITP
Universal Information Transport Plan
UIUC
University of Illinois at Urbana-Champaign
UK
United Kingdom
UKST
United Kingdom Schmidt Telescope
UL
Underwriters Laboratory
ULANA
Unified Local-Area Network Architecture
UMA
Upper Memory Area
UMB
Upper Memory Blocks
UMT
Universal Military Training
UN
United Nations
UNCLE
United Network Command for Law Enforcement
UNESCO
United Nations Educational, Scientific, & Cultural=20 Organization
UNICEF
United Nations International Children's Emergency Fund = (now UN=20 Child. Fund)
UNICS
UNiplex Information Computer Services
UNISTAR
UNIversal Single call Telecommunications Answering &=20 Repair
UNIVAC
UNIversal Automatic Computer
UNIX
not an acronym at all. Was a pun on MIT's MULTICS.
UNMA
Unified Network Management Architecture
UNO
United Nations Organization
UP
Union Pacific (railroad) [Corporate name]
UP
Upper Peninsula (of Michigan)
UPC
Universal Product Code
UPDS
Uninterruptible Power Distribution System
UPI
United Press International [Corporate name]
UPN
Umgekehrte Polnische Notation (RPN)
UPS
Uninterruptible Power Supply
UPS
United Parcel Service [Corporate name]
UR
University of Rochester
UREP
UNIX-RSCS Emulation Program (BITNET software for UNIX)
US
United States (of America)
USA
Union of South Africa
USA
United States Army
USA
United States of America
USAC
US Answer Center (Sun Hotline)
USAC
United States Answer Center
USAC
United States Auto Club
USAF
United States Air Force
USAFA
United States Air Force Academy (in Colorado Springs)
USAN
University Satellite Network
USART
Universal Synchronous Asynchronous = Receiver/Transmitter
USB
Upper Side Band
USC
University of Southern California
USCA
United States Code, Annotated
USCG
United States Coast Guard
USD
Underwriters Safety Device
USDA
United States Department of Agriculture
USENET
USErs' NETwork
USES
United States Employment Service
USFL
United States Football League
USG
Unix Support Group
USGS
United States Geological Survey
USHGA
United States Hang Gliding Association
USIA
United States Information Agency
USITA
United States Independent Telephone Association
USL
Unix System Laboratories
USM
United States Mail
USMC
United States Marine Corps
USMP
United States Microgravity Payload
USN
United States Navy
USO
United Service Organizations
USO
Universal Service Order
USO
Unix Software Operation
USOC
Universal Service Order Code
USP
United States Pharmacopeia
USP
Universal Sampling Plan
USPS
United States Postal Service
USPTO
United States Patent and Trademark Office
USR
User Service Routines
USRT
Universal Synchronous Receiver/Transmitter
USS
United States Ship
USSR
Union of Soviet Socialist Republics
USSS
User Services and Systems Support
USV
Unterbrechungsfreie StromVersorgung
USW
Und So Weiter
UT
UTah
UT
Universal Time
UT
University of Tennessee
UT
University of Texas
UTC
Universal Coordinated Time
UTE
Union Technique de i"Electricite"
UTP
Unshielded Twisted Pair
UTQGS
Uniform Tire Quality Grading System
UTR
UpTime Ratio
UUCICO
Unix to Unix Copy Incoming Copy Outgoing
UUCP
Unix-to-Unix CoPy
UUG
Unix User Group
UUT
Unit Under Test
UV
UltraViolet
UVS
UltraViolet Spectrometer
UW
UnderWriter
UW
University of Wisconsin
UWCSA
University of Washington Computer Science Affiliates
UWS
Ultrix Workstation Software
V
Vergeltungswaffe (reprisal weapon: V1, V2)
V
fiVe
V
vanadium
V
version, "v"
V
versus, "v."
V
volt(s)
VA
Veterans Administration
VA
Virginia
VAB
Value Added Business
VAB
Vehicle Assembly Building (formerly Vertical Assembly=20 Building)
VABIS
Vagn Aktie Bolaget i Soedertaelje (Swedish truck = company)
VAC
Volts of Alternating Current
VAD
Value Added Dealer
VADS
Verdix Ada Development System
VAFB
Vandenberg Air Force Base
VAN
Value-Added Network (e.g. Tymnet, Telenet, etc)
VANS
Value-Added Network Services
VAP
Value-Added Process
VAR
Value-Added Remarketer/Reseller
VASCAR
Visual Average Speed Computer And Recorder
VASI
Visual Approach Slope Indicator
VAST
Virtual Archive Storage Technology
VAT
Value Added Tax
VAV
Value Application Venders
VAX
Virtual Address eXtended
VAXBI
VAX Bus Interconnect
VB
Valence Bond
VB
Venture Business
VC
Virtual Circuit
VCCI
Volantary Control Council for Intersive
VCM
Voice Coil Motor
VCO
Voltage Controlled Oscillator
VCPI
Virtual Control Program Interface
VCR
VideoCassette Recorder
VCS
Virtual Circuit System
VCU
Virginia Commonwealth University
VD
Venereal Disease (see also STD)
VDC
Volts of Direct Current
VDE
Verband Deutscher Electrotechniker
VDFM
Virtual Disk File Manager
VDI
Virtual Device Interface
VDM
Vienna Development Method
VDM
Virtual Device Metafile
VDS
Virtual DMA Services
VDT
Video Display Terminal
VE
Value Engineering
VEEGA
Venus-Earth-Earth Gravity Assist (Galileo flight path)
VESA
Video Electronics Standards Association
VEU
Volume End User
VEX
Video Extension to X
VF
Video Frequency
VF
Voice Frequency
VFEA
VMEbus Futurebus+ Extended Architecture
VFO
Variable Frequency Oscillator
VFR
Visual Flight Rules
VFS
Virtual File System
VFW
Veterans of Foreign Wars
VFW
Volunteer Fire Department
VFY
VeriFY
VG
Very Good
VG
Vicar-General
VGA
Video Graphics Array/Accelerator
VGF
Voice Grade Facility
VGI
Virtual Graphics Interface
VHD
Video High Density
VHDL
Vhsic Hardware Description Language
VHF
Very High Frequency (30-300MHz)
VHS
Video Home System (VCR)
VHSIC
Very High Speed Integrated Circuit
VI
VIsual editor
VIABLE
Vertical Installation Automation BaseLinE
VIC
V.35 Interface Cable
VIFRED
VIsual FoRms EDitor
VILE
VI-Like Emacs
VINE
Vine Is Not Emacs
VINES
VIrtual NEtwork Software
VIP
Very Important Person
VISTA
Volunteers In Service To America
VITA
Vme International Trade Association
VIU
Voiceband Interface Unit
VJ
Video Jockey
VL
Vulgar Latin
VLA
Very Large Array radio telescope in Arizona or New = Mexico
VLBA
Very Long Baseline Array
VLBI
Very Long Baseline Interferometry
VLF
Very Low Frequency (3-30KHz)
VLIW
Very Long Instruction Word
VLSI
Very Large Scale Integration
VLT
Very Large Telescope
VM
Virtual Machine
VM
Virtual Memory
VMC
Visual Meteorological Conditions
VMCF
Virtual Machine Communications Facility
VMCMS
Virtual Machine/Conversational Monitor System, = "VM/CMS"
VME
Versa Modular Europa
VME
Versabus Module Europe
VME
Virtual Machine Environment
VMM
Virtual Memory Manager
VMOS
Vertical Metal Oxide Semiconductor (V-MOS) (see MOS)
VMR
Vertical Market Reseller
VMR
Volt-Meter Reverse
VMRS
Voice Message Relay System
VMS
Vertical Motion Simulator
VMS
Virtual Memory System
VMS
Virtual Memory operating System
VMS
Voice Mail System
VMS
Voice Management System
VMSP
Virtual Machine/System Product, "VM/SP"
VMTP
Versatile Message Transaction Protocol
VNF
Virtual Network Feature
VNL
Via Net Loss plan
VNLF
Via Net Loss Factor
VNY
Van Nuys CA
VOA
Voice Of America
VOA
Volunteers Of American
VODAS
Voice Over Data Access Station
VOIR
Venus Orbiting Imaging Radar (superseded by VRM)
VOIS
Voice-Operated Information System
VOQ
Visiting Officer's Quarters
VOR
VHF Omnidirectional Range
VORT
Very Ordinary Rendering Toolkit
VP
View Processor
VP
Virtual President
VPF
Vertical Processing Facility
VPISU
Virginia Polytechnic Institute and State University,=20 "VPI&SU"
VPN
Virtual Private Network
VR
Variety Reduction
VRAM
Video-RAM
VRC
Vertical Redundancy Character
VRM
Venus Radar Mapper (now called Magellan)
VRM
Virtual Resource Manager
VRM
Voice Recognition Module
VROOMM
Virtual Realtime Object Oriented Memory Manager
VRS
Voice Response System
VS
VAXStation
VSA
Virtual Server Architecture
VSAM
Virtual Sequential Access Method
VSAM
Virtual Storage Access Method
VSAT
Very Small Aperture Terminal, satellite dish
VSB
Vestigial SideBand modulation
VSE
Virtual Storage Extended
VSP
Vector/Scalar Processor
VSR
Voice Storage and Retrieval
VSS
Voice Storage System
VSSP
Voice Switch Signaling Point
VSX
X/open Verification Suite
VT
Virtual Terminal
VTAM
Virtual Telecommunications Access Method [IBM]
VTI
Virtual Terminal Interface
VTOC
Volume Table Of Contents
VTOL
Vertical TakeOff and Landing
VTP
Virtual Terminal Protocol
VTR
VideoTape Recorder
VTS
Video Teleconferencing System
VTS
Virtual Terminal Service
VU
Volume Unit
VUIT
Visual User Interface Tool
VUP
Vax Unit of Performance
VV
Villains & Vigilantes, "V&V"
VVSS
Vertical Volute Spring Suspension
VWS
VAX Workstation Software
VXI
VMEbus Extension for Instrumentation
W
Wales/Welsh
W
Wednesday, "W."
W
West
W
Width
W
watt
W
week(s), "w."
W
wofram (tungsten)
WA
Washington
WA
Western Australia
WAC
Womens Air Corps
WADS
Wide Area Data Service
WAG
Wild-Assed Guess
WAIS
Wide Area Information Server
WAN
Wide Area Network
WAP
Wissenschaftliche ArbeitsPlatzrechner
WAP
Work Assignment Procedure
WARC
World Administrative Conference
WATFOR
WATerloo FORtran
WATS
Wide Area Telephone Service
WATSUP
WATfor Student Utility Program
WB
Water Ballast
WB
WayBill
WBC
White Blood Cells
WBS
Wednesday Business School
WBS
Work Breakdown Structure
WC
Water Closet
WC
Wire Center
WC
Without Charge
WCL
Widget Creation Library
WCPC
Wire Center Planning Center
WCS
Writable Control Store (VAX)
WCTU
Women's Christian Temperance Union
WD
White Dwarf
WD
Working Draft
WDC
Washington, District of Columbia
WDC
Work Distribution Chart
WDM
wavelength-division multiplexing, for optical fibre,=20 ultra-gigabit
WDT
Watch Dog Timer
WELL
Whole Earth 'Lectronic Link
WF
Work Factor method
WFPC
Wide Field / Planetary Camera (on HST)
WFPCII
Replacement for WFPC
WG
Working Group
WGS
WorkGroup System (AT&T's 386 PC)
WH
WarHammer
WHBL
World Home Bible League
WHO
World Health Organization
WHOI
Woods Hole Oceanographic Institution
WHSE
Warehouse
WHSGNASBN
We Have Some Good News And Some Bad News
WI
Wisconsin
WIN
WIssenschaftsNetz
WINS
Wollongong Integrated Networking Solutions
WIP
Work-In-Process
WIS
WWMCCS Information System
WITS
Washington Interagency Telecommunications System
WIYN
Wisconsin / Indiana / Yale / NOAO telescope
WKS
Well Known Services
WLN
Wiswesser Line Notation
WM
Work Manager
WMF
Windows MetaFile
WMO
World Meteorological Organization
WMSCR
Weather Message Switching Center Replacement
WNIM
Wide area Network Interface Module
WNN
Watashi no Namae ha Nakajima desu. (Kana-Kanji henkan), = "Wnn"
WO
Write Only
WOMBAT
Waste Of Money, Brains, And Time
WOPR
War Operations Planned Response (from "Wargames" = movie)
WORM
Write Once, Read Many time
WOSA
Windows Open System Architecture
WOW
Worlds of Wonder
WP
Word Processing
WP
Working Paper
WPS
Word Processing Software
WRT
Whitewater Resource Toolkit
WRT
With Respect To
WS
Work Sampling
WS
Work Station
WSD
Work Station Division
WSI
Wafer Scale Integration
WSJ
Wall Street Journal
WSMR
White Sands Missile Range
WSN
Wirth Syntax Notation
WSP
Work Simplification Program
WSW
West-SouthWest
WTF
What The Fuck
WTR
Western Test Range
WU
Washington University
WU
Western Union
WUPPE
Wisconsin Ultraviolet PhotoPolarimter Experiment (Astro=20 package)
WV
West Virginia
WW
World War
WW2
World War II
WWFO
World Wide Field Operations
WWI
World War I
WWII
World War II
WWMCCS
World-Wide Military Command and Control System
WWOPS
World-Wide Operations
WY
Wyoming
WYSIWIS
What You See Is What I See
WYSIWYG
What You See Is What You Get
X25
CCITT recommendation for packet switched networks DTE = interfacing,=20 "X.25"
XA
eXtended Architecture (31-bit addressing in IBM = machines)
XB
X-Bar
XBT
X-Bar Tandem
XCF
eXperimental Computing Facility
XCMOS
eXtended CMOS
XD
eX (without) Dividend
XD
without Dividend
XDMCP
X Display Manager Control Protocol
XDR
eXternal Data Representation
XFE
X-Front End
XFER
transFER (the X is for trans)
XGA
eXtended Graphics Adapter
XID
eXchange IDentification
XIE
X Imaging Extension
XIM
X Input Method
XINU
Xinu Is Not UNIX
XL
eXtra Large
XLFD
X Logical Font Description
XMI
eXtended Memory Interconnect (DEC)
XMM
X-ray Multi Mirror
XMS
eXtended Memory Specification
XMS
eXtended Multiprocessor operating System
XMTR
transMiTteR (the X is for trans)
XNS
Xerox Network Services/Systems/Standard
XO
eXecutive Officer
XOR
eXclusive OR (logical function)
XP
Jesus Christ (from the first two letters of "Christ" = written in=20 Greek)
XPG
X/Open Portability Guide
XPG2
X/Open Portability Guide Release-2
XPG3
X/Open Portability Guide Release-3
XPORT
transPORT (the X is for trans)
XRM
X Resource Manager
XSECT
cross SECTion (the X is for cross)
XT
X.11 Toolkit, "Xt"
XT
eXtended Technology
XTAL
crysTAL (another version of x for crys, see XMTR)
XTAL
crysTAL (the X is for crys)
XTC
eXternal Transmit Clock
XUI
X-windows User Interface
XUV
eXtreme UltraViolet
XVIEW
X window system-based Visual/Integrated Environment for=20 Workstations
XWSDS
X Window System Display Station
Y
year, "y."
Y
yen
Y
yttrium
YA
Yet Another
YACC
Yet Another Compiler Compiler
YAFIYGI
You Asked For It, You Got It
YB
YearBook
YMCA
Young Mens Christian Association
YMHA
Young Mens Hebrew Association
YOB
Year Of Birth
YP
Yellow Pages
YPVS
Yamaha Power Valve System
YRS
Ysgarth Rules System
YSO
Young Stellar Object
YST
Yukon Standard Time
YT
Yukon Territory
YT
Yukon Time
YTD
Year To Date
YWCA
Young Womens Christian Association
YWHA
Young Womens Hebrew Association
YY
Year
Z
Zenith
Z
Zero
ZB
Zero Beat
ZBB
Zero Base Budgeting
ZBR
Zone Bit Recording
ZD
Zero Defect
ZETA
Zero Energy Thermonuclear Assembly
ZFS
Zero-Field Splitting
ZG
Zero Gravity
ZGS
Zero Gradient Synchrotron
ZI
Zonal Index
ZIB
Konrad-Zuse-Zentrum fuer Informationstechnik Berlin
ZIF
Zero Insertion Force
ZIP
Zig-zag Inline Pin
ZIP
Zone Improvement Plan (post office code)
ZIP
Zone Information Protocol
ZK
barrage balloon (navy symbol)
ZMRI
Zinc Metals Research Institute
ZPG
Zero Population Growth
ZPRSN
Zurich Provisional Relative Sunspot Number
ZQC
Zero-Quantum Coherence
ZST
Zone Standard Time
ZT
Zone Time
ZWEI
Zwei Was Eine Initially
ZZF
Zentralamt zur Zulassung von=20 Fernmeldeeinrichtungen

=20

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