Abbreviations starting with L (page 1 of 2)

371 abbreviations begin with L. This page lists L to LT.

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
0–9

L – Liter +3 more
L/100 km – Liters per 100 kilometers
L&D – Labor and delivery +1 more
L/C – Letter of credit
L-dopa – Levodopa
L. Ed. – Lawyers' Edition
L/N – Last name
L. Rev. – Law Review
L-spine – Lumbar spine
L1 – Layer 1
l10n – Localization
L2 – Layer 2
L2TP – Layer 2 Tunneling Protocol
L3C – Low-profit limited liability company
L4-L5 – Fourth and fifth lumbar vertebrae (intervertebral level)
L4L – Like for like
L5-S1 – Fifth lumbar and first sacral vertebrae (lumbosacral…
L8R – Later
LA – Los Angeles +8 more
LAA – Left atrial appendage
LAANC – Low Altitude Authorization and Notification Capability
LAAO – Left atrial appendage occlusion
Lab – Labour Party
LABA – Long-acting beta2-agonist
LABA/LAMA – Long-acting beta-agonist and long-acting muscarinic…
lac – Laceration +3 more
LAD – Left anterior descending artery +2 more
LADA – Latent autoimmune diabetes in adults
LAE – Left atrial enlargement +1 more
LAFB – Left anterior fascicular block
LAFD – Los Angeles Fire Department
LAFW – Laminar airflow workbench
LAGB – Laparoscopic adjustable gastric band
LAI – Long-acting injectable
LAIV – Live attenuated influenza vaccine
Lam. – Lamentations
LAMA – Long-acting muscarinic antagonist
LAMP – Linux, Apache, MySQL, PHP
LAN – Local area network
Lap – Laparoscopic (laparoscopy)
Lap chole – Laparoscopic cholecystectomy
LAPD – Los Angeles Police Department
LAQ – Long arc quad
LAR – Low anterior resection
LARC – Long-acting reversible contraception
LARP – Live-action role-playing
LAS – Harry Reid International Airport
LASA – Look-alike, sound-alike
LASD – Los Angeles County Sheriff's Department
laser – Light amplification by stimulated emission of radiation
LASIK – Laser-assisted in situ keratomileusis
LASSO – Least absolute shrinkage and selection operator
LAST – Local anesthetic systemic toxicity
Lat. – Latitude +3 more
LATAM – Latin America
LAV – Light Armored Vehicle
LAW – Light Anti-Tank Weapon
LAX – Los Angeles International Airport
lb – Pound (avoirdupois) +6 more
lb-ft – Pound-feet
LBA – Logical block addressing
LBBB – Left bundle branch block
Lbby – Lobby
LBD – Lewy body dementia
LBdr – Lance Bombardier
lbf – Pound-force
LBI – Long Beach Island
LBJ – Lyndon B. Johnson
LBM – Last bowel movement +1 more
LBO – Leveraged buyout +1 more
LBP – Low back pain
LBR – Let's be real
lbs – Pounds
LBW – Low birth weight +1 more
LC – Least Concern +3 more
LC-MS – Liquid chromatography-mass spectrometry
LCA – Life-cycle assessment
LCAC – Landing Craft, Air Cushion
LCC – Low-cost carrier
LCCN – Library of Congress Control Number
LCD – Liquid-crystal display +2 more
LCDM – Lambda cold dark matter
LCDR – Lieutenant Commander
LCIA – London Court of International Arbitration
LCL – Less than container load +1 more
LCM – Least common multiple +2 more
LCME – Liaison Committee on Medical Education
LCMS – Lutheran Church–Missouri Synod
LCOE – Levelized cost of energy
LCOL – Low cost of living
LCP – Largest Contentful Paint
LCPD – Legg-Calvé-Perthes disease
LCpl – Lance Corporal (US Marine Corps)
LCR – Inductance, capacitance and resistance (meter) +1 more
LCS – Local comic shop +1 more
LCSW – Licensed Clinical Social Worker
LCx – Left circumflex artery
LD – Liberal Democrats +4 more
LD50 – Lethal dose, 50% +1 more
LDA – Lines, drains and airways +2 more
LDAP – Lightweight Directory Access Protocol
LDC – Least developed country
LDCT – Low-dose computed tomography
LDD – Limited distribution drug
LDH – Lactate dehydrogenase
LDL – Low-density lipoprotein (cholesterol)
LDN – London
LDO – Low-dropout regulator +1 more
LDP – Liberal Democratic Party
LDPE – Low-density polyethylene
LDR – Long-distance relationship +2 more
LDRP – Labor, delivery, recovery and postpartum
LDS – Latter-day Saints +1 more
LDU – Local delivery unit
LDW – Lane departure warning
LE – Lower extremity +2 more
LEA – Local educational agency
LEAPS – Long-Term Equity AnticiPation Securities
LED – Light-emitting diode
LEED – Leadership in Energy and Environmental Design
LEED AP – LEED Accredited Professional
LEED GA – LEED Green Associate
LEEP – Loop electrosurgical excision procedure
LEFS – Lower Extremity Functional Scale
LEL – Lower explosive limit
LEM – Lunar Excursion Module
LEMS – Lambert-Eaton myasthenic syndrome
LEN – Lenacapavir
LEO – Law enforcement officer +1 more
LEOSA – Law Enforcement Officers Safety Act
LEP – Limited English proficient
LEQ – Long essay question
LES – Lower esophageal sphincter +2 more
LET – Lidocaine, epinephrine and tetracaine
LEU – Low-enriched uranium
Lev. – Leviticus +1 more
levo – Levophed (norepinephrine)
LEXIS – Lexis citation
LF – Linear foot +2 more
LFB – London Fire Brigade
LFG – Looking for group +1 more
LFL – Like-for-like sales
LFM – Looking for more
LFO – Low-frequency oscillator
LFP – Lithium iron phosphate
LFPR – Labor force participation rate
LFT – Liver function tests
LG – Lucky-Goldstar +2 more
LGA – LaGuardia Airport +3 more
LGB – Laser-guided bomb +1 more
LGIB – Lower gastrointestinal bleeding
LGPL – GNU Lesser General Public License
LGTM – Looks good to me
LGW – London Gatwick Airport
LH – Lufthansa +3 more
LHA – Amphibious assault ship (general purpose)
LHC – Large Hadron Collider +1 more
LHD – Litterarum Humanarum Doctor (Doctor of Humane Letters) +1 more
LHP – Left-handed pitcher
LHR – London Heathrow Airport
LHS – Left-hand side
Li – Lithium +4 more
Li-ion – Lithium-ion
LI-RADS – Liver Imaging Reporting and Data System
LIBOR – London Interbank Offered Rate
lic. – License +1 more
lidar – Light detection and ranging
LIFO – Last in, first out
LIFR – Low instrument flight rules
LIGO – Laser Interferometer Gravitational-Wave Observatory
LIH – Lihue Airport
LIHEAP – Low Income Home Energy Assistance Program
LIHTC – Low-Income Housing Tax Credit
lim – Limit +1 more
LIMA – Left internal mammary artery
LINQ – Language Integrated Query
LiPo – Lithium polymer
LIRR – Long Island Rail Road
LIS – Lisbon Humberto Delgado Airport +2 more
LISA – Laser Interferometer Space Antenna +1 more
Lisp – List processing
LISS – Low-intensity steady state
lit. – Literally
LitRPG – Literary role-playing game
LIV – LIV Golf (Roman numeral 54)
L.J. – Law Journal +1 more
Lk – Luke +2 more
LKA – Lane keeping assist
LKR – Sri Lankan rupee
LKW – Last known well
ll. – Lines +1 more
Llama – Large Language Model Meta AI
LLB – Legum Baccalaureus (Bachelor of Laws)
LLC – Limited liability company +2 more
LLD – Legum Doctor (Doctor of Laws)
LLE – Left lower extremity
LLL – Left lower lobe
LLLP – Limited liability limited partnership
LLLT – Limited license legal technician
LLM – Large language model +1 more
LLN – Law of large numbers
LLP – Limited liability partnership +1 more
LLPA – Loan-level price adjustment
LLQ – Left lower quadrant
LLVM – LLVM (originally Low Level Virtual Machine)
lm – Lumen +2 more
LMA – Laryngeal mask airway
LMAO – Laughing my a** off
LMBO – Laughing my butt off
LMFAO – Laughing my f***ing a** off
LMFT – Licensed Marriage and Family Therapist
LMG – Light machine gun
LMHC – Licensed Mental Health Counselor
LMIC – Low- and middle-income countries
LMIRL – Let's meet in real life
LMK – Let me know
LMM – Large multimodal model
LMN – Lower motor neuron
LMP – Last menstrual period
LMR – Land mobile radio
LMRA – Labor Management Relations Act
LMS – Learning management system +1 more
LMSW – Licensed Master Social Worker
LMT – Local mean time
LMU – Ludwig Maximilian University of Munich…
LMWH – Low-molecular-weight heparin
Ln – Lane +5 more
LNA – Licensed nursing assistant +1 more
LNAT – National Admissions Test for Law
lncRNA – Long non-coding RNA
Lndg – Landing
LNER – London North Eastern Railway +1 more
LNG – Liquefied natural gas +1 more
LNHA – Licensed Nursing Home Administrator
LNK – Windows shortcut (Shell Link) file
LNP – Liberal National Party of Queensland
LO – Little one
LOA – Leave of absence +2 more
LOAC – Law of armed conflict
LOB – Line of business +2 more
LOC – Level of consciousness +6 more
loc. cit. – Loco citato (in the place cited)
LOCA – Loss-of-coolant accident
LOCI – Letter of continued interest
LOD – Logarithm of the odds (score) +1 more
LODD – Line-of-duty death
LoDo – Lower Downtown
LOE – Level of evidence +1 more
log – Logarithm
LOI – Letter of intent
LOL – Laughing out loud +1 more
LOM – Legion of Merit
LOML – Love of my life
Long. – Longitude
LOP – Letter of protection
LOR – Letter of recommendation
LoRA – Low-rank adaptation
LOS – Length of stay +3 more
LOTO – Lockout/tagout
Lowr – Lower
LOX – Liquid oxygen
LP – Long-playing record +9 more
Lp(a) – Lipoprotein(a) +2 more
LPC – Licensed Professional Counselor +2 more
LPD – Amphibious transport dock
LPDDR – Low-Power Double Data Rate
LPFSA – Limited-purpose flexible spending account
LPG – Liquefied petroleum gas
LPGA – Ladies Professional Golf Association
LPI – Laser peripheral iridotomy +1 more
LPM – Liters per minute
LPMI – Lender-paid mortgage insurance
LPN – Licensed practical nurse +1 more
LPO – Legal process outsourcing
LPR – Lawful permanent resident +1 more
LPT – Life pro tip
LPV – Localizer performance with vertical guidance
LPV/r – Lopinavir/ritonavir
LQTS – Long QT syndrome
LR – Lactated Ringer's solution +4 more
LRE – Least restrictive environment
LRT – Light rail transit
LRTI – Lower respiratory tract infection
LRU – Least recently used
LRV – Light rail vehicle
LS – Lichen sclerosus +4 more
LSA – Light-sport aircraft
LSAT – Law School Admission Test
LSB – Long spine board
LSD – Lysergic acid diethylamide +2 more
LSE – London Stock Exchange +1 more
LSgt – Lance Sergeant
LSIL – Low-grade squamous intraepithelial lesion
LSO – Lumbosacral orthosis
LSS – Lumbar spinal stenosis +1 more
LSST – Legacy Survey of Space and Time
LSTM – Long short-term memory
LSU – Louisiana State University
LSV – Low-speed vehicle
LT – Lieutenant (US Navy and Coast Guard) +4 more