(Main list of acronyms)
__NOTOC__ L – (s) Fifty (in Roman numerals) – (i) Label – Lap – Large – Laser (US military aircraft basic mission designation) – Latin – Left – (s) Litre – (i) Low (transmissions)
LA l8r, g8r – (a) later, gator la – (s) Latin language (ISO 639-1 code) La – (s) Lanthanum LA (s) Laos (FIPS 10-4 country code; ISO 3166 digram) Louisiana (postal symbol) (i) Los Angeles LAAS (i) Local Area Augmentation System Los Angeles Astronomical Society LAB – (a) Logistics Assault Base LabVIEW – (p) Laboratory Virtual Instrumentation Engineering Workbench LACMA – (a/i) Los Angeles County Museum of Art LAD – (a) Laser Aiming Device LADW – (i) Local Air Defence Warning LAESI – (i) Local Authority & Emergency Service Information LAK – (s) Laotian kip (ISO 4217 currency code) LAMP – (multiple meanings) LAN – (a) Local Area Network LANL – (i) Los Alamos National Laboratory lao – (s) Lao language (ISO 639-2 code) LAO – (s) Laos (ISO 3166 trigram) LAPD – (i) Los Angeles Police Department LAR Light Armoured Reconnaissance Logistics Assistance Representative LARC – (a) Livermore Advanced Research Computer (cf. LLNL) LARP – (a) Live-Action Role-Playing LAS – (s) McCarran International Airport (Las Vegas, Nevada) Laser – (a) Light Amplification by Stimulated Emission of Radiation (cf. Maser) lat – (s) Latin language (ISO 639-2 code) LAT (i/a) Lowest Astronomical Tide (nautical charts) Licensed Athletic Trainer (used in many of the United States; see www.oata.org) LATA – (i) Local Access Transport Area LATCH – (p) Lower Anchors and Tethers for Children (U.S. standard for attachment points for child safety seats in passenger cars) lav – (s) Latvian language (ISO 639-2 code) LAV (a) Land Assault Vehicle Light Armoured Vehicle Lymphadenopathy-Associated Virus LAW] – (a) Light Antitank Weapon LAX (s) Los Angeles International Airport (i) The Latin American Xchange (professional wrestling)
LB lb (s) pound (Latin librum) Luxembourgish language (ISO 639-1 code) LB – (s) Lebanon (ISO 3166 digram) LBH (i) Light Battlefield Helicopter Lyman-Birge-Hopfield bands LBJ (i) Lady Bird Johnson LeBron James Light Bulb Joke Little Beagle Johnson (the dog owned by Lyndon and Lady Bird Johnson) Lyndon Baines Johnson LBN – (s) Lebanon (ISO 3166 trigram) LBNL – (i) Lawrence Berkeley National Laboratory LBP – (s) Lebanese pound (ISO 4217 currency code) LBR – (s) Liberia (ISO 3166 trigram) LBS – (i) Location-based service lbs – (s) pounds (plural form of lb, see above) LBT – (i) Large Binocular Telescope LBW – (i) Leg Before Wicket LBY – (s) Libya (ISO 3166 trigram)
LC LC – (i) Line of Contact – (s) Saint Lucia (ISO 3166 digram) LC2IEDM or LC2IEDM – (i) Land C2IEDM (q.v.) LCA (s) Saint Lucia (ISO 3166 trigram) Larnaca International Airport LCC – (i) Land Component Commander LCCP – (i) Light Contingency Communications Package LCD – (i) Liquid Crystal Display LCE – (i) Leaving Certificate Examination – Load Carrying Equipment – London Commodity Exchange LCM – (i) Least/Lowest Common Multiple LCol – (s) Lieutenant-Colonel (Canada, UK) LCS - League of Legends Championship Series
LD LD (i) Laser Designator Limited Deployment Line of Departure LDA – (i) Lateral Drift Apparatus (paratroops) LDAP – (a/i) Lightweight Directory Access Protocol (pronounced "ell-dap") LDC – (i) Lesser Developing/Developed Country LDE - (s) Tarbes–Lourdes–Pyrénées Airport (IATA code) LDL – (i) Low-Density Lipoprotein LDMOS – (i/a) Laterally diffused MOS transistor ("ell-dee-moss") LDS (i) Latter-day Saint (also "Latter Day Saint"); also used as an abbreviation by the Church of Jesus Christ of Latter-day Saints Liberal Democracy of Slovenia LDV – (i) Local Defence Volunteers (British Home Guard) LDW – Lane Departure Warning (ADAS)
LE LE – (s) Lebanon (FIPS 10-4 country code) LEC – (i) Local Exchange Carrier LED – (i) Light-Emitting Diode Legs – (a) level emotion gad speed LEGAD – (p) Legal Advice LEMOSS – (p) Long-Endurance MObile Submarine Simulator LEN – (i) Large Extension Node LEO – (a) Low Earth orbit LEP – (a) Large Electron-Positron collider LER – (i) Loss-Exchange Ratio LEU – (i) Low-Enriched Uranium
LF LF – (i) Low Frequency LFG - Let's F***ing Go! (Internet slang) LFO – (i) Low Frequency Oscillation / Oscillator LFTR – (i) Liquid fluoride thorium reactor
LG lg – (s) Luganda (ISO 639-1 code) LG – (s) Latvia (FIPS 10-4 country code) LGB (i) Lesbian, Gay, Bisexual Laser-guided bomb, self-explanatory LGBT – (i) Lesbian, Gay, Bisexual, Transgender LGBTI - Lesbian, Gay, Bi, Transgender, IntersexWilliam L. Maurice, Marjorie A. Bowman, Sexual medicine in primary care, Mosby Year Book, 1999, LGBTQ - Lesbian, Gay, Bi, Transgender, Queer page 690 LGBTQIA - the A standing for "asexual", "aromantic", or "agender" LGLO – (i) Love God, Love Others LGLO's – (i) Latino Greek Lettered Organizations LGM (i) Little Green Men (s) Land-based Guided Missile, US military designation for guided missiles launched from ground silos, mostly used to talk about ICBMs like LGM-30 Minuteman LGS – (i) Landsat Ground Station
LH LH (s) Lithuania (FIPS 10-4 country code) (i) Luteinising Hormone Lufthansa (IATA airline code) LHC – (i) Large Hadron Collider LHD (i) litterarum humaniorum doctor (Latin, "doctor of humane letters (humanities)") Left-Hand Drive (automobile) (s) Landing Helicopter Dock (US Navy hull classification symbol) LHS – (i) Left Hand Side
LI li – (s) Limburgish language (ISO 639-1 code) Li – (s) Lithium LI – (s) Fifty-one (in Roman numerals) – (s) Liberia (FIPS 10-4 country code) – Liechtenstein (ISO 3166 digram) Libor – (p) London Interbank Offered Rate LIBS – (a) Laser Induced Breakdown Spectroscopy LIE – (s) Liechtenstein (ISO 3166 trigram) LIFO – (a) Last In, First Out LIGO – (a) Laser Interferometer Gravitational-Wave Observatory LIJ – (i) Los Ingobernables de Japón (Spanish, "The Ungovernables of Japan"), Japanese professional wrestling stable lim – (s) Limburgish language (ISO 639-2 code) lin – (s) Lingala language (ISO 639-2 code) LINEAR – (a) Lincoln Near-Earth Asteroid Research LiP, LIP – (s) Lithium ion polymer battery LISA – (a) Laser Interferometer Space Antenna lit – (s) Lithuanian language (ISO 639-2 code) LITAS – (a) Low Intensity Two Colour Approach System (aviation) LIVE – (a) Liquid Inertial Vibration Eliminator
LJ LJ (i) La Jolla Larry Johnson (both the American football and basketball players of that name) LaserJet (HP printer brand) Library Journal Linux Journal LiveJournal Ljubljana Lord Justice of Appeal (s) Sierra National Airlines (IATA code) LJJ – (i) Lord Justices of Appeal
LK LK – (s) Sri Lanka (ISO 3166 digram) LKA – (s) Sri Lanka (ISO 3166 trigram) LKL – (i) Lietuvos krepšinio lyga (Lithuanian, "Lithuanian Basketball League") LKR – (s) Sri Lanka rupee (ISO 4217 currency code) LKR4 – (s) Linkwitz-Riley 4th order (audio crossover type)
LL l. l. – loco laudato (Latin: "in the place quoted") LL (i) Land Line (telephone) (i) Last Log (i) Late Latin (s) Laws, esp. both Laws (i) Left Limit (i) Lex Luthor (Superman character) (i) Light Line (i) Limited Liability (s) Lines** (i) Linked List (i) Little League (i) Low Latin (p) Liberland LLAD – (i) Low Level Air Defence LLB – (i) Legum Baccalaureus (Latin: Bachelor of Laws) LLC – (i) Limited Liability Company LLGC – (i) Llyfrgell Genedlaethol Cymru (National Library of Wales) – London Lesbian and Gay Centre LLLTV – (i) Low-Light Level Television LLNL – (i) Lawrence Livermore National Laboratory LLP – (i) Limited Liability Partnership LLTI – (i) Limiting Long-Term Illness – Long Lead Time Item LLTR – (i) Low-Level Transit Route
LM LMAO – (i) Laughing My Ass Off (Internet shorthand) LMFAO – (i) Laughing My F**king Ass Off (Internet shorthand, electro-hop duo) LMB – (i) Lick My Balls LMN – (a/i) Lifetime Movie Network LMS – (i) London Mathematical Society – London, Midland and Scottish (Railway) LMS – (i) Like My Status (Internet shorthand) LMV - () Light Motor Vehicle
LN ln (s) Lingala language (ISO 639-1 code) Natural logarithm LNB (i) Liga Nacional de Básquet (Rioplatense Spanish, "National Basketball League"; top Argentine league) Ligue Nationale de Basketball (French, "National Basketball League"; the organization that operates France's top two leagues, and the unrelated top league of Switzerland) Low-Noise Block (Satellite dish) LNER (i) London and North Eastern Railway railway operator from 1923 until 1947 in the United Kingdom (i) London North Eastern Railway railway operator established in 2018 in the United Kingdom LNG – (i) Liquefied Natural Gas LNO – (p) Liaison Officer LNR – (i) Ligue Nationale de Rugby (French, "National Rugby League")
LO lo – (s) Lao language (ISO 639-1 code) LO – (s) Slovakia (FIPS 10-4 country code) LOA – (i) Limit Of Advance LOC (a/i) Level of Operational Capability Limited Operational Capability Lines Of Code Lines Of Communication see entry LOD (i) Legion of Doom, referring to any of the following: A group of DC Comics supervillains A hacker group A group of Philadelphia Flyers ice hockey players in the 1990s The Road Warriors, a professional wrestling tag team that used the name "Legion of Doom" when performing in the WWF/WWE Limit of Detection – see Detection limit LoD – (i) Lines of Development (UK) LOFAR – (p) Low Frequency Analyzer and Recorder / Low Frequency Analysis and Recording in sonar systems LOGPAC – (p) Logistics Package LOL – (i) Laughing Out Loud (Internet shorthand) LOMEZ – (p) Low Altitude Missile Engagement Zone LONEOS – (a) Lowell Observatory Near-Earth-Object Search LOOGY – (p/a) Lefty One-Out GuY, a sometimes pejorative nickname for the left-handed specialist in baseball loq – (p) loquitur (Latin, "(s) he speaks") LORTID – (p) LOng Range Target IDentification LORAN – (p) LOng RAnge Navigation LOS – (i) Line Of Sight LOSAT – (i) Line-Of-Sight Anti-Tank (missile) LOTA – (i) Licentiate of the Orthodontic Technicians Association LOTIS – (a) Livermore Optical Transient Imaging System LOTR or LotR – (a) Lord of the Rings LOTS – (a) Logistics Over-The-Shore
LP LP (i) Linkin Park Linkup Point Listening Post Long Playing (record) Louisiana Pacific (cf. LP Field, a former name of the sports venue now known as Nissan Stadium) LPC – (i) Linear Predictive Coding LPD (i) Landing Platform Dock (Navy hull classification) Low Probability of Detection LPG – (i) Liquefied Petroleum Gas (cf. LNG) LPI – (i) Low Probability of Intercept LPS (i) Landsat Processing System (p) LipoPolySaccharide
LQ LQ – (s) Palmyra Atoll (FIPS 10-4 territory code)
LR Lr – (s) Lawrencium LR – (s) Liberia (ISO 3166 digram) LRAD – (i) Long Range Acoustic Device ("ell-rad") LRAS3 or LRAS3 – (i) Long Range Advanced Scout Surveillance System LR-ATGW – (i) Long-Range Anti-Tank Guided Weapon LRC – (i) Logistics Readiness Center LRD – (s) Liberian dollar (ISO 4217 currency code) LRF – (p) Laser rangefinder – (i) Low Readiness Forces LRGW – (i) Long-Range Guided Weapon LRICBM – (i) Limited Range ICBM LRIP – (i) Low Rate Initial Production LRP – (i) Logistics Release Point LRPE – (i) Long-Range Planning Element LRS – (i) Long Range Surveillance LRU – (i) Line-Replaceable Unit
LS L.S. – (i) Lectori Salutem (Latin, "greetings to the reader"; when the name of the reader is not known in advance) LS (i) Landing Support (s) Lesotho (ISO 3166 digram) Liechtenstein (FIPS 10-4 country code) (i) locus sigilli (Latin, "place of the seal") LSAT – (i) Law School Admission Test (often pronounced as "el-SAT") LSD (i) Landing Ship, Dock (Navy hull classification) librae, solidii, denarii (Latin: Pounds, shillings and pence) lyserg-saüre-dietylamid (German "lysergic acid diethylamide") LSE (i) Least Squares Estimate/Error London School of Economics London Stock Exchange