| Word | Meaning |
|---|---|
| LAIV | (medical) Live Attenuated Influenza Vaccine |
| NASM | National Air and Space Museum |
| OCONUS | (chiefly military) Outside [the] contiguous United States; i.e. Alaska, Hawaii, and all other countries. |
| HOMO | (chemistry) highest occupied molecular orbital |
| ASIC | (electronics) application specific integrated circuit |
| ISNA | (American) Islamic Society of North America |
| ExoMars | (ESA RFSA space) Acronym of Exobiology on Mars (a two-part Martian astrobiology project to search for evidence of life on Mars) |
| ISEF | International Science and Engineering Fair |
| IgE | immunoglobulin E |
| SIM | (computing) Acronym of Simulation |
| JavaSE | (computing) Acronym of w:Java Platform, Standard Edition |
| VSPAN | (computing) VLAN-based SPAN. |
| WOTE | Winners Of Tonight's Event |
| POP3 | (computing) 'Post Office Protocol version 3': standard for receiving Internet email. |
| I-HAWK | Improved homing-all-the-way killer, a type of missile. |
| BASE | 'B'uilding, 'A'ntenna-tower, 'S'pan, 'E'arth |
| VSWR | Voltage Standing Wave Ratio |
| COCA | (linguistics) Corpus of Contemporary American English. |
| ONCHIT | Office of the National Coordinator for Health Information Technology (US) |
| SAMHSA | Substance Abuse and Mental Health Services Administration |
| MOAS | (military) Mine and Obstacle Avoidance Sonar |
| DAU | 'D'efense 'A'cquisition 'U'niversity |
| base | Alternative form of BASE |
| BUFF | (slang US Air Force) Big Ugly Fat Fellow (or Fucker); US Airforce nickname for the B-52 bomber. |
| CELTA | Certificate in English Language Teaching to Adults, a qualification to teach English. |
| SADD | Students Against Drunk Driving |
| VaR | (finance banking) Value at Risk. |
| SUNWAC | Swale, Ure, Nidd, Wharfe, Aire, Calder: a mnemonic for the western tributary rivers of the Yorkshire Dales. |
| AMBR | Aggregate Maximum Bit Rate |
| LAMP | (Internet) Linux, Apache, MySQL, and PHP — a popular combination of open source software for use as a web server |
| cub | cashed up bogan. |
| VTHL | (rocketry) 'V'ertical 'T'akeoff and 'H'orizontal 'L'anding |
| DSM | (military US) Acronym of w:Distinguished Service Medal |
| fubar | Alternative form of FUBAR |
| IRINT | (military) 'I'nfra'r'ed 'int'elligence. The gathering and processing of intelligence in the infrared spectrum. |
| CREST | (military) The five types of verbal support used to enhance an (oral) presentation: comparisons, reasons, examples, statistics, testimony. |
| STB | straight to base |
| DUFF | (derogatory) Dumb/Designated Ugly Fat Friend, an attractive woman's less attractive friend |
| VTOL | (aviation) vertical takeoff and landing: A description of a fixed-wing aircraft that is capable of ascending into the air straight up as opposed to needing to accelerate horizontally first. |
| SILENT | Acronym of |
| SLAGIATT | Seemed like a good idea at the time. |
| NFG | New Found Glory, an American pop punk band formed in 1997. |
| TAC | (US military) Tactical Air Command |
| VTVL | (rocketry) 'V'ertical 'T'akeoff and 'V'ertical 'L'anding |
| RAP | 'R'ecognized 'A'ir 'P'icture |
| OpenXPS | (computing) Acronym of Open XML Paper Specification |
| Rewson | (US military) "Reconnaissance, Electronic Warfare, Special Operations, Navy." |
| DOG | Digital on-screen graphic |
| NFID | National Foundation for Infectious Diseases |
| PSAP | Public Safety Answering Point |
| HAHO | (Parachuting) High Altitude, High Opening. |
| TRIS | (US) Transportation Research Information Services. |
| SIMD | (computing): Single Instruction Multiple Data |
| BANES | (British) Bath and North East Somerset, a unitary authority in South West England. |
| DCAT | 'D'rug, 'C'hemical and 'A'ssociated 'T'echnologies association |
| ECLSS | Environmental Control and Life Support System |
| WIBNI | wouldn't it be nice if |
| COSP | consumer-operated services program |
| SPAN | Suicide Prevention Advocacy Network |
| WAP | (telecommunications) Wireless Application Protocol, an open international standard for applications that use wireless communication, such as Internet access from a cellular phone. |
| WIC | Women, Infants and Children |
| CAFTA | Central American Free Trade Agreement |
| GAD | generalized anxiety disorder |
| QWAN | Quality Without A Name - in computer programming QWAN refers to a more metaphysical attribute that expresses elegancy of code |
| PIM | (computing) Acronym of personal information manager (a kind of software with the functionality of a personal organizer.) |
| SUP | Sailors' Union of the Pacific |
| TRAF | Toss Refer Act File: A principle of organization used to handle any paper that comes across one's desk. |
| FUD | (derogatory) Fear, uncertainty, and doubt, a marketing strategy involving the spread of worrisome information about a competing product. |
| JSDF | Japan Self-Defense Forces |
| LEED | Acronym of lang=en A system to categorise the level of environmentally sustainable construction in sustainable buildings. |
| ECO | (US space science) Abbreviation of lang=en (a NASA term for when rocket engines are shutdown) |
| ROTGLOL | Rolling on the Ground Laughing Out Loud |
| FOUP | (semiconductor industry) Front Opening Unified Pod |
| BOHICA | Acronym of bend over, here it comes again Used colloquially to indicate that an adverse situation is about to repeat itself, and that acquiescence is the wisest or only course of action. |
| IOLTA | Interest On Lawyer Trust Accounts |
| CUE | (legal) Clear and Unmistakable Error; legal standard for appeal of a decision by a Board of Veterans Appeals in the United States. |
| SORA | (legal) Sex Offenders Registration Act |
| WAD | (computing humorous) It works as designed. |
| LIBOR | (finance) London Interbank Offered Rate (loan interest rate) |
| DipIT | Diploma in Information Technology |
| EBCDIC | (computing) 'Extended Binary-Coded-Decimal Interchange Code' an 8-bit character set and encoding representing 256 alphanumeric and special characters. |
| SCADA | (electricity software) Acronym of Supervisory Control And Data Acquisition (electrical network typically containing at least IED's, RTU's, and a master station equipped with an HMI. Used to monitor and control process automation systems, such as those used by electrical and water utilities.) |
| NAPLAN | (AU education) National Assessment Program – Literacy and Numeracy, |
| TESOL | Teaching English to speakers of other languages |
| CERT | Computer Emergency Response Team |
| PED | (rail transport) Platform edge door. |
| PERT | (operations) 'P'rogram 'E'valuation and 'R'eview 'T'echnique, a method for diagramming and analyzing the flow of dependent tasks and other events in a project. |
| HAPE | High altitude pulmonary edema |
| MPT | (finance) Modern portfolio theory. |
| SOAP | (computing) Acronym of Simple Object Access Protocol (A standard Internet protocol for exchanging structured information in a distributed environment.) |
| BOD | biochemical oxygen demand |
| drip | (finance) Dividend reinvestment program; a type of financial investing |
| TESSA | (British) Tax-Exempt Special Savings Account |
| TAFE | (Australia) Technical And Further Education. |
| SAIDS | Simian Acquired Immunodeficiency Syndrome |
| NEMA | National Electrical Manufacturers Association |
| NIST | (government US) Acronym of National Institute of Standards and Technology |
| LUCA | (taxonomy biology paleontology) Abbreviation of lang=en; the hypothesised most recent primordial organism that is an ancestor to all organisms now living. |
| RICO | (legal) Racketeer Influenced and Corrupt Organizations |
| CIDR | Classless Inter-Domain Routing; normally an IP address notation such as 192.168.1.0/24 indicating a block of addresses. The number after the slash indicates how many bits are in the mask; bits to the right are not masked. |
| SON | SupraOptic Nucleus |
| NOEL | no observed effect level |
| WAMP | (Internet _ software) Windows, Apache, MySQL, and PHP — a popular combination of software for use as a web server. |
| MAC | (chemistry) Maximum Allowable Concentration, the maximum concentration of a pollutant which is considered harmless to healthy adults during their working hours, assuming they breathe uncontaminated air at all other times. |
| ICBO | International Conference of Building Officials |
| SECAM | from French: Sequentiel Couleur avec Mémoire, meaning sequential color with memory, a TV standard. |
| EVT | equiviscous temperature |
| POST | (computing) Power-On Self-Test |
| LAAS | (business) Initialism of laboratory |
| OPS | (baseball) on-base plus slugging |
| CED | Committee or Center for Economic Development |
| SSHRC | Social Sciences and Humanities Research Council, an arm's length agency of the government of Canada which disburses academic grants and scholarships. |
| HATO | (British) Highways Agency Traffic Officer |
| CEDA | Cross Examination Debate Association |
| CHONPS | A mnemonic for the main elements that occur naturally in Terran, carbon-based living systems: carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur. |
| Sohc | 'Single Over Head Camshaft', the system of opening and closing both inlet and exhaust valves on four stroke internal combustion engines. |
| STSDAS | Space Telescope Science Data Analysis System, software designed for the Hubble telescope. |
| EDIMGIAFAD | (US _ slang) Abbreviation of lang=en |
| MAU | (computing) Media Attachment Unit or Multiple Access Unit: a connectivity device for a Token Ring network. |
| SOHCAHTOA | (mnemonic trigonometry) sine: opposite over hypotenuse, cosine: adjacent over hypotenuse, tangent: opposite over adjacent |
| FLOX | (medicine) fluorouracil, leucovorin and oxaliplatin when used as a chemotherapy regimen against colon cancer |
| TINC | There Is No Cabal. |
| MOLAP | (computing) Acronym of w:Multidimensional Online Analytical Processing |
| LUMO | (chemistry) lowest unoccupied molecular orbital |
| woof | (marketing) Well-off older folks. |
| RMAN | (databases Oracle) Acronym of Recovery Manager |
| habtm | (databases) has and belongs to many: A many-to-many relationship in a database. |
| DAPO | (aviation travel) do all possible (followed by requested task). |
| DDoS | (Internet security) Alternative spelling of DDOS |
| TrEPS | Traffic estimation and prediction system |
| BART | Bay Area Rapid Transit |
| Syriza | (politics) ΣΥΡΙΖΑ, a coalition of the radical left in Greece known as 'Συ'νασπισμός 'Ριζ'οσπαστικής 'Α'ριστεράς |
| OPC UA | (communication programming) Abbreviation of OPC Unified Architecture (an industrial M2M communication protocol for interoperability developed by the OPC Foundation) |
| MECO | (rocketry) Acronym of lang=en |
| HACE | High altitude cerebral edema |
| RVP | 'r'endez'v'ous 'p'oint (for emergency services) |
| HACEK | (pathology) , (Haemophilus actinomycetemcomitans species noshow=1), , , — five gram-negative bacilli that are typically associated with being fastidious or difficult to culture and which can cause bacterial endocarditis. |
| ERS | (sports automotive) Acronym of lang=en — an electric generation, storage, and propulsion system used in Formula One, which generates electricity by scavenging excess power and energy, stores energy in batteries, and boosts acceleration with electric motors assisting the gasoline engine. |
| DDU | (incoterm) Delivered Duty Unpaid |
| CPSA | Canadian Professional Sales Association |
| GNU | Name of the Free Software Foundation's project to develop a free UNIX-like operating system, including the legal framework, such as the source code and documentation licenses. |
| MFWIC | (military) 'Military Figure Who's In Charge'. |
| UNIFIL | (military) United Nations Interim Force in Lebanon |
| EISCAT | European Incoherent SCATter, a scientific organization which operates three incoherent scatter radars in northern Scandinavia. The organization is funded by the research councils of Finland, France, Germany, Japan, Norway, Sweden and the United Kingdom. |
| POTS | (telecommunications) plain old telephone service |
| EBITDA | earnings before interest, taxes, depreciation and amortization. EBITDA represents revenue before interest, taxes, depreciation, and amortization have been subtracted and after other expenses (except dividends) have been. |
| CAGR | (finance business) Acronym of compound annual growth rate |
| EBKAC | (humorous) Error between keyboard and chair. |
| LLB | Bachelor of Laws. |
| BLUP | 'B'est 'L'inear 'U'nbiased 'P'rediction. |
| CAE | Certificate in Advanced English, the second highest level ESOL exam awarded by Cambridge University. |
| MASH | Mobile Army Surgical Hospital |
| COTS | Acronym of Commercial Off-The-Shelf (Refers to ready-made merchandise that is available for sale, defined by market need, significant functionality and complexity, and self-contained.) |
| JAFO | (Military slang) just another fucking observer. |
| JAG | (legal military) Judge Advocate General |
| MEN | Acronym of multiple endocrine neoplasia. |
| ISRHA | International Self Realization Healing Association |
| PERMANOVA | (statistics) permutational multivariate analysis of variance |
| NORAD | North American Aerospace Defense Command |
| SAFT | Swiss Army Fitness Test. |
| ERISA | (US legal) Employee Retirement Income Security Act (of 1974) |
| EFIGS | English, French, Italian, German, Spanish |
| ETOPS | (aviation) Extended-range Twin-engine Operational Performance Standards |
| LINEAR | (astronomy) Lincoln Near-Earth Asteroid Research program. |
| CONCACAF | (soccer) 'C'onfederation 'o'f 'N'orth, 'C'entral 'A'merican and 'C'aribbean 'A'ssociation 'F'ootball — the governing body for the sport in the aforementioned region, also including the South American countries of French Guiana, Guyana, and Suriname. |
| MONGO | My Own NGO |
| SAG | Screen Actors Guild |
| SOCO | (UK law enforcement) Scenes of Crime Officer |
| LCMS | Lutheran Church Missouri Synod |
| SABIC | Saudi Basic Industries Corporation |
| BAT | Abbreviation of lang=en; a principle applying to regulations on limiting pollutant discharges. |
| EPICUS | (military) The six principles of instruction: emphasis, participation, interest, confirmation, understanding, success. |
| INDY | I'm Not Dead Yet |
| GID | Acronym of General Improvement District |
| LCS | (US baseball) The "League Championship Series" for each of the two leagues of Major League Baseball |
| TUPE | Transfer of Undertakings (Protection of Employment) |
| NAT | (Internet) Acronym of lang=en A network function whereby one network address is rewritten (translated) to another address: Network Address Translation is frequently used to allow multiple network nodes (computers or inter-networked devices) to share a single internet (or local network) IP address. NAT may be used in "one to one", "many to one", or "one to many" types of configurations. |
| SPORT | Strategic Partnership On REACH Testing |
| WebVTT | (communications) |
| HTOL | (aviation) 'H'orizontal 'T'ake-'O'ff and 'L'anding |
| PTOL | (aviation) 'P'oint 'T'ake-'O'ff and 'L'anding |
| HEALPix | 'H'ierarchical 'E'qual 'A'rea iso'L'atitude 'Pix'elation (or 'Pix'elization) of the sphere. |
| ATO | (aviation) Assisted Take-Off |
| COOL | (computing) 'CLIPS Object-Oriented Language' |
| SPECT | Single-Photon Emission Computed Tomography |
| HTR | (Christianity) Hard To Receive |
| LEIN | 'L'aw 'E'nforcement 'I'nformation 'N'etwork |
| LUN | (computing) Logical Unit Number. |
| PAP | (Singapore) People's Action Party |
| LMDO | (Internet slang) Laughing my dick off. |
| SYSOP | System Operator |
| CEOSE | Committee on Equal Opportunities in Science and Engineering |
| ATOL | (UK) Air Travel Organisers' Licensing |
| LASEK | "Laser-Assisted Sub-Epithelial Keratectomy", photorefractive keratectomy laser surgery, a laser eye surgery technique. |
| ESOL | English for speakers of other languages |
| LMHO | (Internet slang) Laughing my head off. |
| EFTA | European Free Trade Association |
| OWTTE | Or words to that effect. |
| BOLO | (US _ law enforcement) A broadcast issued from a law enforcement agency to others, typically containing information about a wanted suspect, a person of interest, or a related vehicle. |
| TPC | Transmit Power Control |
| CAT | Centre for Alternative Technology |
| sam | Surface-to-air missile |
| PEBCAK | (humorous) Problem Exists Between Chair And Keyboard. Used by technical support helpdesk staff to indicate that the problem with a user’s computer or experience is due to user error. |
| EXW | (incoterm) Ex Works |
| ULDUSTA | (military) Ultimate Duty Station |
| BIRT | (software eclipse) Acronym of w:BIRT Project |
| ina | Information Not Available |
| FIGJAM | Fuck I’m Good, Just Ask Me. |
| PAPA | 'P'rofessional and 'A'mateur 'P'inball 'A'ssociation, and the tournaments held under its auspices. |
| OBP | (baseball) on-base percentage |
| EMALS | (military aviation) Electromagnetic Aircraft Launch System |
| FELIX | Free Electron Laser for Infrared eXperiments |
| PCASP | Passive Cavity Aerosol Spectrometer Probe |
| PEBKAC | (humorous) Problem exists between keyboard and chair. See PEBCAK. |
| TWYM | that's what you mean |
| WAF | "Wife acceptance factor" |
| PCAST | President's Council of Advisors on Science and Technology (US) |
| TORFL | Test Of Russian as a Foreign Language |
| Oflot | (British) Office of the National Lottery |
| ISTAR | (military US) Intelligence, Surveillance, Target Acquisition, and Reconnaissance |
| REACH | Registration, Evaluation and Authorisation of Chemicals |
| CHIBOR | 'China Interbank Offer Rate': The floating rate of China interbank credit market. |
| COSTART | COding Symbols for Thesaurus of Adverse Reaction Terms |
| DFAT | (Australia) Department of Foreign Affairs and Trade. |
| LMVO | (Internet slang) Laughing my vagina off. |
| MATESOL | A master's degree in TESOL, the teaching of English to speakers of other languages. |
| Bash | (computing) Name of the Free Software Foundation's command interpreter (the "shell") for UNIX-like operating system. |
| dinky | Double income, no kids yet. Said of a relationship. |
| GURT | Genetic use restriction technology; a generic term for proposed or implemented methods to restrict use of genetically modified plants, by ensuring the sterility of any seeds. |
| WISA | (Internet) Windows, Internet, Server, Active servers: A collection of Microsoft technologies that can be used to create "dynamic websites", specifically: the Windows operating system, Internet Information Services (web server), Microsoft SQL Server (database) and Active Server Pages (a scripting language). |
| EDIUSAIAFAD | (US _ slang) Abbreviation of lang=en |
| SAMPROSA | ASCII-based representation of the International Phonetic Alphabet that includes symbols for toneage, length, stress, and pause. |
| JUICE | (space ESA) Acronym of w:Jupiter Icy Moons Explorer |
| ENTP | (psychology) extraverted, intuitive, thinking and perceiving: a personality type in the Myers-Briggs type indicator |
| ODS | Office of Dietary Supplements |
| IOOH | (internet slang or text messaging) I'm out of here |
| BRAS | Broadband Remote Access Server |
| RAPIDS | (military US) Real-Time Automated Personnel Identification System |
| WUBA | (US Navy) Working Uniform, Blue Alpha: |
| CHOSE | (management) confidence (self-efficacy), hope, optimism, subjective well-being (happiness), and emotional intelligence |
| ARIA | (Internet) |
| MS-DOS | Microsoft Disk Operating System, an operating system for IBM-compatible personal computers in the 1980s and 1990s, eventually succeeded by standalone versions of Microsoft Windows. |
| ITIL | (computing) Acronym of IT Infrastructure Library |
| tanj | Alternative spelling of TANJ (There ain't no justice.) |
| exFAT | (computing) extended file allocation table, a 64-bit version of FAT. |
| MYA | Million years ago. |
| LANAP | (dentistry) Laser Assisted New Attachment Procedure |
| HI-MEMS | (US military) Hybrid Insect Micro-Electro-Mechanical Systems (MEMS): A DARPA project to control insect locomotion by placing a mechanical system inside an insect. |
| InChI | International Chemical Identifier |
| STOL | (aviation) 'S'hort 'T'ake-'O'ff and 'L'anding: A description of an aircraft that needs a shorter minimum horizontal distance to accelerate in order to ascend into the air than typical fixed wing types. |
| EFATO | (aviation) 'E'ngine 'F'ailure 'A'fter 'T'ake 'O'ff |
| CHSTREPS | Characteristics of Transportation Resources Report |
| FCE | First Certificate in English, an ESOL exam awarded by Cambridge University |
| PCMCIA | (computing) Personal Computer Memory Card International Association, a plug and play peripheral device interface, typically for laptop computers. |
| BITD | Back In The Day |
| Ravenscar | (computing) Reliable Ada Verifiable Executive Needed for Scheduling Critical Applications in Realtime |
| NEMS | Acronym of lang=en |
| STOBAR | (military US) Short take-off but arrested recovery |
| PIVKA | Proteins Induced by Vitamin K Absence (or antagonist.) |
| SIV | (virology) . |
| kiloflops | (computing) 1,000 floating point operations per second |
| LNWI | LNWI A low-net-worth individual (LNWI) is a person with a low net worth. These individuals typically would be defined as having very limited or no investable finance |
| HEMA | Abbreviation of Historical European Martial Arts |
| MANCOVA | (statistics) multivariate analysis of covariance: an extension of ANOVA methods to cover cases where there is more than one dependent variable and where the control of covariates is required. |
| GUID | (computing) Acronym of Globally Unique Identifier |
| GMDSS | (nautical aviation) Global Maritime Distress and Safety System (an internationally agreed-upon set of safety procedures, types of equipment, and communication protocols used to increase safety and make it easier to rescue distressed ships, boats and aircraft). |
| NURBS | Non-Uniform Rational B-Spline (Non-Uniform Rational Basis Spline): a mathematical model used in computer graphics for generating and representing curves and surfaces |
| WFM | "works for me." An abbreviated form of assent, e.g., in reply to a suggested meeting date or time. |
| XO | extra old; a grade of premium cognac |
| IHOP | International House of Pancakes, a US-based restaurant chain. |
| SHRIMP | sensitive high resolution ion microprobe |
| CORE | Congress of Racial Equality |
| OPEX | (business finance) operating expense or operating expenditure; the continuing costs of a business, in contrast to capital expenditure. |
| CAIR | (US) Clean Air Interstate Rule |
| WISE | (aviation nautical) (adjective) Acronym of wing-in-surface effect |
| SWOT | (business) Strengths, Weaknesses, Opportunities, Threats. |
| INCOTERM | Alternative spelling of Incoterm |
| WGWAG | White Girls with Asian Guys |
| GSU | (US) "geographically separated unit", used to denote a military unit not at the same physical location or base as its parent unit |
| CATO | (rocketry) Slang shorthand (which is not an acronym) for "Catastrophic failure" since it can happen at any point in time during the rocket flight. Properly spelled Cato or cato, and never in all caps. |
| SCAO | State Court Administrative Office |
| UBC | Uniform Building Code |
| RCCPDS | (military US) Reserve Components Common Personnel Data System |
| CONUS | (chiefly military) The contiguous United States; the 48 states excluding Alaska and Hawaii. |
| ERNIE | The name of the machine that draws random premium bond numbers in the United Kingdom. |
| DEROS | (US) 'D'ate 'E'ligible to 'R'eturn from 'O'ver's'eas or 'D'ate of 'E'stimated 'R'eturn from 'O'ver's'eas |
| OSHA | Occupational Safety and Health Administration (US) |
| CATOBAR | catapult assisted take off but arrested recovery |
| SADR | Sahrawi Arab Democratic Republic, a partially recognised state in North Africa. |
| ISAF | 'I'nternational 'SA'iling 'F'ederation (world governing body for the sport of sailing) |
| MUMPS | Massachusetts General Hospital Utility Multi-Programing System; a programming language (and database) developed originally to be specifically for hierarchically arranged records, such as medical records. |
| SIOP | (military US) Single Integrated Operational Plan |
| SOKOP | Sounds OK On paper; Something that sounds like a good idea when you read about it, but is actually not of any practical use when you try to implement it. |
| HOLAP | (computing) Acronym of w:Hybrid Online Analytical Processing |
| DELF | Diplôme d'étude de langue française, a French-language qualification. |
| DNE | (college) Do Not Erase, written on chalk boards to protect information from being erased. |
| FORACS | (military) US Navy acronym for Fleet Operational Readiness Accuracy Check Site. FORACS are facilities for measuring the bearing and range accuracy of sensor systems on ships, submarines, fixed-wing and rotor-wing aircraft. |
| FOIA | (US) Freedom of Information Act. |
| GMVLS | Guided Missile Vertical Launching System |
| SAN | (chemistry) styrene-acrylonitrile resin |
| KOS | (gaming) Kill on Sight |
| AUTODIN | (military) 'AUTO'matic 'DI'gital 'N'etwork. The name of the standard digital computer network of the US military. |
| PUT | (software testing) Acronym of Parameterized Unit Testing |
| SWAT | (chiefly US law enforcement) Special weapons and tactics. The area of expertise of police officers trained and equipped to neutralize armed or entrenched criminals. |
| TEWT | (military) Tactical Exercise Without Troops: Usually synonymous with a military wargame or training exercise not actively involving deployment of troops. |
| DEVGRU | (military US) United States Naval Special Warfare Development Group |
| DEW | Distant Early Warning. |
| EULA | (legal) Acronym of end user license agreement |
| OLDI | On-Line Data Interchange: A Eurocontrol standard used in ATC systems in order to exchange information about flights crossing the border between the two ATC units. The messages described by this standard use ICAO subfields. |
| your mileage may vary | |
| DIMEFIL | Diplomatic, Information, Military, Economic, Financial, Intelligence and Law Enforcement |
| KIF | (computing artificial intelligence) Knowledge Interchange Format. |
| IIUC | (Internet slang) If I understand correctly; used on Usenet to indicate uncertainty about having understood the original poster or not. |
| GLONASS | (cartography) GLObal NAvigation Satellite System: A system of navigational satellites operated by the Russian government. |
| RADAR | Abbreviation of 'ra'dio 'd'etection 'a'nd 'r'anging |
| GD-ROM | Giga disk read-only memory: a proprietary optical disc format, resembling a CD-ROM but with higher storage capacity, used by certain game consoles. |
| OCC | Acronym of Office of the Comptroller of the Currency |
| NCA | (cheerleading) National Cheerleader's Association |
| QBism | (quantum physics) Acronym of Quantum Bayesianism |
| SWAK | (written on an envelope containing a love-letter) Sealed with a kiss |
| RISC | (computing) Reduced instruction set computer. |
| JATO | (aviation) jet assisted takeoff |
| TLD | (Internet) Initialism of top-level domain |
| SAC | Acronym of :w:saeclum ante Christum |
| URBI | (computing) Universal Real-Time Behavior Interface |
| PETE | (organic compound) polyethylene terephthalate: a thermoplastic resin of the polyester family that is used to make beverage, food and other liquid containers, synthetic fibers, as well as for some other thermoforming applications. |
| GRAS | (legal) Generally recognized as safe (a US designation for food additives). |
| MSND | (literature Shakespeare) Acronym of A Midsummer Night's Dream |
| GRASE | 'G'enerally 'R'egarded 'A's 'S'afe and 'E'ffective' |
| SWALK | Sealed With a Loving Kiss, term of endearment written across the seal of a love letter. |
| DRAGN | (galaxy) Acronym of lang=en |
| CESAT voltage | Collector-Emitter Saturation Transistor voltage |
| GRASP | (software object-oriented design) Acronym of General Responsibility Assignment Software Patterns |
| VLAD | (AU Queensland law) Initialism of vicious, a series of anti-bikie laws. |
| WRASAP | Will Reply As Soon As Possible. It is based on the widely used ASAP (As Soon As Possible) acronym. Usually website owners (bloggers) use this acronym to encourage somebody to contact the author via e-mail or contact form. |
| PEEP | (slang) A World War II jeep attached to an armored regiment. |
| INOP | inoperative |
| NAMI | National Alliance for the Mentally Ill |
| ILPC | Inner Loop Power Control |
| UNPROFOR | United Nations Protection Force; a multinational peacekeeping force in the former Yugoslavia in 1992 to 1995; superseded by IFOR |
| PEAP | Protected Extensible Authentication Protocol. A protocol proposed by Microsoft, Cisco and RSA Security for 802.1X authentication on wireless LANs (WLANs). |
| inc | (chiefly North America) Alternative spelling of Inc |
| INFORSE | 'I'nternational 'N'etwork 'FOR' 'S'ustainable 'E'nergy |
| NCID | National Center for Infectious Diseases |
| RAID | (computing) A redundant array of inexpensive disks, or, less frequently restated as a redundant array of independent disks. |
| POP | (telecommunications) Acronym of point of presence |
| SEMP | (AU historical education) Social Education Materials Project |
| Fifa | Alternative form of FIFA |
| FYROM | The former Yugoslav Republic of Macedonia |
| MUGA | Multiple gated acquisition scan; a medical test used for assessing ventricular function of the heart. |
| GATT | General Agreement on Tariffs and Trade (Superseded by the World Trade Organisation (WTO)) |
| QDRO | (US legal) qualified domestic relations order |
| RAFA | (British) Royal Air Force Association |
| CADAM | (computing) Computer-Augmented Design And Manufacturing |
| YIFF | Young, independent, freedom-minded few (compare yuppie) |
| EDRO | (US legal) eligible domestic relations order |
| KERA | the Kentucky Education Reform Act (1990) |
| ATAPI | (computing) Advanced Technology Attachment Packet Interface |
| BND | Bank of North Dakota |
| DIRT | (Ireland) Deposit Interest Retention Tax |
| SgtMaj | (military US) Sergeant major |
| MORB | Mid-ocean ridge basalt. |
| NIC | network interface card: used to interface a computer to a network. |
| nic | network interface controller |
| DELTA | Diploma in English Language Teaching to Adults, an advanced qualification to teach English, higher than the CELTA, accredited by the University of Cambridge. |
| weapon of mass destruction | |
| MICTOR | 'Matched ImpedanceConnecTOR': (electrical engineering microelectronics) |
| COW | (computing) Acronym of w:Copy-on-write |
| DAS | (chemistry) Acronym of diacetoxyscirpenol |
| DES | (cryptography) Data Encryption Standard |
| SOLID | (programming object-oriented) Acronym of Single responsibility, Open-closed, Liskov substitution, Interface segregation and Dependency inversion (When followed, the created system will be more likely easy to maintain, and extend over time.) |
| DASD | (computing) Direct access storage device, such as a USB drive or hard drive. |
| BOGO | (chiefly US) buy one get one (free) |
| OOSE | (software) Acronym of Object-Oriented Software Engineering |
| TROWAL | A trough of warm air aloft in the atmosphere, usually between 750-550 millibars |
| JAV | (pornography) Japanese adult video |
| ITSM | (computing) Acronym of IT Service Management |
| JBOD | (computing humorous) 'J'ust a 'B'unch 'O'f 'D'isks. A collection of hard disks that aren't configured according to RAID. |
| FORML | (computing) Formal Object Role Modeling Language |
| VAST | visual audio sensory theater |
| BOGOFF | (British rare) Alternative form of BOGOF: acronym for "buy one, get one for free". |
| EDGAR | Electronic Data-Gathering, Analysis, and Retrieval, a system that performs automated collection, validation, indexing, acceptance, and forwarding of submissions by companies and others who are required by law to file forms with the U.S. Securities and Exchange Commission (the "SEC"). |
| IBG YBG | (finance) I'll be gone, you'll be gone. (I'll have gotten my commission; you'll have sold out to the next guy; neither of us will be held accountable). |
| DIN | Deutsches Institut für Normung. (German Institute for Standardization) |
| OTOT | (informal) On Top Of This |
| CHOGM | 'Commonwealth Heads of Government Meeting', a biennial summit meeting of the heads of government from all Commonwealth nations. |
| TRIPS | The WTO Agreement on "Trade-Related Aspects of Intellectual Property Rights". |
| START | (law) Acronym of lang=en |
| GINO | (neologism fandom slang) Galactica In Name Only — a derogatory term used by partisan fans of the original Battlestar Galactica to refer to the reimagined Battlestar Galactica |
| SLUFF | (slang US Air Force) Short Little Ugly Fat Fellow (or Fucker); US Airforce nickname for the A-7 bomber. |
| WMO | The World Meteorological Organisation |
| SCNR | Sorry, Could Not Resist. Normally used to semi-apologize for an obvious wisecrack. |
| NINDS | (US) National Institute of Neurological Diseases and Stroke |
| IMUX | (computing) inverse multiplexer. It re-aggregates split sub-channels in a data stream into a single channel. |
| DEERS | (US) Defense Enrollment and Eligibility Reporting System. |
| IFSMA | International Federation of Shipmasters' Associations |
| WinJS | (computing) Initialism of Windows library (an open source JavaScript library developed by Microsoft) |
| ENIAC | 'E'lectronic 'N'umerical 'I'ntegrator 'A'nd 'C'omputer, one of the first electronic digital computers |
| TOSH | The Orthopedic Specialty Hospital. |
| AUT | Auckland University of Technology |
| JavaEE | (computing) Acronym of w:Java Platform, Enterprise Edition |
| RAFO | Read and find out |
| DOT | Abbreviation of lang=en or Department of Transport (Used both as an initialism and an acronym) |
| KERS | (sports automotive) Acronym of lang=en — an electric generation, storage, and propulsion system used in Formula One, which generates electricity during slow down, stores energy in batteries, and boosts acceleration with electric drive motors assisting the gasoline engine. |
| BUPERS | (military US) Bureau of Naval Personnel |
| SAB | Scientific Advisory Board |
| ICNB | International Code of Nomenclature of Bacteria |
| MOA | minute of angle |
| NAFTA | North American Free Trade Agreement |
| CAVU | (aviation) Ceiling And Visibility Unrestricted (colloquial variants include Clear And Visibility Unrestricted and Clear Above Visibility Unrestricted), indicating a ceiling of at least 10,000 feet and visibility of at least 10 miles; ideal flying conditions. |
| CISC | (computing) Complex instruction set computer. |
| COBRA | (British) Cabinet Office Briefing Room A |
| COIN-OR | (Internet) 'COmputational INfrastructure for Operations Research' |
| SEGRAS | (pharmacology) selective glucocorticoid receptor agonists |
| NuSTAR | (astronomy) Acronym of Nuclear Spectroscopic Telescope Array |
| EOFYS | (AU business informal) End Of Financial Year Sale |
| ARNK | (travel industry) An unknown or empty sector of an itinerary. |
| JavaME | (computing) Acronym of w:Java Platform, Micro Edition |
| TEMPSC | Totally Enclosed Motor Propelled Survival Craft. A form of lifeboat typically installed on large sea going vessels or platforms and vessels associated with the oil and gas industry. |
| MILILF | (rare) Acronym of mother-in-law I’d like to fuck |
| BASIL | biphasic acid scavenging utilising ionic liquids |
| GORD | Gastro-oesophageal reflux disease |
| CASM | 'Cost per Available Seat Mile': a method of calculating operating costs in the travel industry. It is derived by dividing total operating expenses by total ASMs. |
| CLAF | 'C'hange 'L'ook 'A'nd 'F'eel |
| BoM | (Mormonism) Book of Mormon. |
| CDU | (petrochemistry) Crude distillation unit. |
| DEWR | 'D'epartment of 'E'mployment and 'W'orkplace 'R'elations |
| DPM | Damp Proof Membrane |
| TADA | 'T'errorist 'a'nd 'D'isruptive 'A'ctivities (Prevention) Act |
| HEPA | 'H'igh 'E'fficiency 'P'articulate 'A'ir filter. |
| SYP | (US) Southern Yellow Pine. |
| LWYL | (Internet slang texting) Laugh With You Later, used as a sign off |
| MOAD | Mother Of All Databases |
| OISE | The Ontario Institute for Studies in Education of the University of Toronto |
| TULIP | (religion) Mnemonic for five-point Calvinist doctrine: total depravity, unconditional election, limited atonement, irresistible grace, perseverance of the saints |
| VARO | (US government) Veterans Affairs Regional Office |
| MOALD | Metalorganic Atomic Layer Deposition, the self-limiting layer-by-layer precision process of atomic level deposition, used in the "next generation" microelectronics and nanotechnology, to grow High-k dielectric layers, Metals and Metal Gate Electrodes in semiconductor industry. |
| PLCP | Physical Layer Convergence Procedure. Defined by IEEE 802.6, a protocol specified within the Transmission Convergence layer that defines exactly how cells are formatted within a data stream for a particular type of transmission facility. |
| FTSE | (London's) Financial Times and Stock Exchange |
| OOV | out of vision: an item in a television (especially news) broadcast consisting of pictures alone, to be played on screen while the presenter continues to talk out of vision and provide commentary |
| CET | Central European Time |
| MAS | multi-agent system. |
| PRATT | Initialism of point refuted a thousand times |
| FURPS | Mnemonic for the major classes of software requirements: functionality, usability, reliability, performance, supportability |
| WAC | Women's Army Corps (Formerly a US military organization for women) |
Note: these words have been obtained from Wiktionary and have been classified and improved through automated computer linguistics processes.