Chemistry Abbreviations Starting With the Letter L

Abbreviations and Acronyms Used in Chemistry

Lactic acid molecule

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By
Anne Marie Helmenstine, Ph.D.
Anne Marie Helmenstine, Ph.D.
Chemistry Expert
  • Ph.D., Biomedical Sciences, University of Tennessee at Knoxville
  • B.A., Physics and Mathematics, Hastings College
Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels.
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Updated on October 24, 2019

Chemistry abbreviations and acronyms are common in all fields of science. This collection offers common abbreviations and acronyms beginning with the letter L used in chemistry and chemical engineering.

Molecular model, illustration
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List of Abbreviations Starting With the Letter L

l - angular momentum quantum number
L or l - length
L- - Levorotatory
L - liter
l - liquid
La - Lanthanum
LA - Linoleic Acid
LA - Lactic Acid
LA - Lewis Acid LAE - Lyman Alpha Emitter
LAB - Linear Alkyl Benzene
LASER - Light Amplification by Stimulated Emission of Radiation
LB - Lewis Base
lb - pound
LBNL - Lawrence Berkeley National Laboratory
LC - Liquid Cooled
LC - Liquid Chromatography
LC - Liquid Crystal
LC-MS Liquid Chromatography with Mass Spectroscopy
LCB - Long Chain Base
LCP - Le Chatelier's Principle
LCS - Laboratory Control Sample
LD - Lethal Dose
LD50 - Lethal Dose—50%
LDF - London Dispersion Force
LDP - Low-Density Polyethylene
LEOGER - Losing Electron Oxidation/Gaining Electron Reduction
LEP - Large Electron-Positron collider
LF - Low Frequency
LFL - Lower Flammable Limit
LG - Leaving Group
LGB - Lotte Gas Boiler
LH - Low Heat
LH - Light Hydrocarbon
LH2 - Liquid Hydrogen
LHC - Large Hadron Collider
LHH - Light, Heat, Humidity
Li - Lithium
LIBS - Laser-Induced Breakdown Spectroscopy
LiP - Lithium Polymer battery
Liq - Liquid
LLD - Liquid Level Detection
LLE - Liquid-Liquid Equilibrium
LLNL - Lawrence Livermore National Laboratory
LMA - Low Moisture Absorption
LME - Liquid Metal Embrittlement
LMH - Liquid Hydrogen
LN - Liquid Nitrogen
ln - natural logarithm
LNG - Liquid Natural Gas
LO - Localized Orbitals
LOD - Loss On Drying
LOQ - Limit Of Quantification
LOX - Liquid Oxygen
LP - Liquid Petroleum
LP - Liquid Propane
LPA - Liquid Pressure Amplifier
LPG - Liquid Petroleum Gas
Lq - Liquid
Lqd - Liquid
Lr - Lawrencium
LSE - Low Surface Energy
LSD - Lysergic Acid Diethylamide
LT - Less Than
Lt - light
LT - Low Temperature
LTE - Local Thermodynamic Equilibrium LTG - Liquid To Gas
LTOEL - Long Term Occupational Exposure Limit
Lu - Lutetium
LUMO - Lowest Unoccupied Molecular Orbital
LV - Low Volatility
LVS - Large Volume Sampler
Lw - Lawrencium (Changed to Lr)
LWC - Light Water Content
LWG - Liquid Water in Grams

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Helmenstine, Anne Marie, Ph.D. "Chemistry Abbreviations Starting With the Letter L." ThoughtCo, Aug. 27, 2020, thoughtco.com/chemistry-abbreviations-starting-with-the-letter-l-603462. Helmenstine, Anne Marie, Ph.D. (2020, August 27). Chemistry Abbreviations Starting With the Letter L. Retrieved from https://www.thoughtco.com/chemistry-abbreviations-starting-with-the-letter-l-603462 Helmenstine, Anne Marie, Ph.D. "Chemistry Abbreviations Starting With the Letter L." ThoughtCo. https://www.thoughtco.com/chemistry-abbreviations-starting-with-the-letter-l-603462 (accessed April 25, 2024).