List of acronyms and initialisms: L
This list contains acronyms, initialisms, and pseudo-blends that begin with the letter L.
For the purposes of this list:
- acronym = an abbreviation pronounced as a series of constituent letters, e.g., SARS = severe acute respiratory syndrome
- initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc
- pseudo-blend = an abbreviation whose extra or omitted letters means that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).
- (a) = acronym in the example: SARS – (a) Severe acute respiratory syndrome
- (i) = initialism in the example: CD – (i) Compact disc
- (p) = pseudo-blend in the example: UNIFEM – (p) United Nations Development Fund for Women
- (s) = symbol (none of the above, representing and pronounced as something else; for example: MHz – Megahertz)
(Main list of acronyms and initialisms)
- 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
LB
LC
LD
LE
LF
- LF – (i) Low Frequency
- LFO – (i) Low Frequency Oscillation / Oscillator
LG
LH
LI
LJ
LK
LL
- l. l. – loco laudato (Latin: "in the place quoted")
- LL – (i) Land Line (telephone) – Last Log – Late Latin – Left Limit – Lex Luthor (Superman character) – Light Line – Limited Liability – Linked List – Little League
- 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
LN
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 – Limit of Detection – see Detection limit
- LoD – (i) Lines of Development (UK)
- LOFAR – (p) Low Frequency Analysis and Recording
- LOGPAC – (p) Logistics Package
- LOL – (i) Laughing Out Loud (Internet short-hand)
- LOMEZ – (p) Low Altitude Missile Engagement Zone
- LONEOS – (a) Lowell Observatory Near-Earth-Object Search
- loq – (p) loquitur (Latin, "(s) he speaks")
- LORTID – (p) LOng Range Target IDentification
- 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
LQ
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
LT
LU
LV
LW
LX
LY
LZ