Science, Tech, Math › Science Chemistry Abbreviations Starting With the Letter L Abbreviations and Acronyms Used in Chemistry Share Flipboard Email Print theasis / Getty Images Science Chemistry Abbreviations & Acronyms Basics Chemical Laws Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Chemistry In Everyday Life Famous Chemists Activities for Kids Biology Physics Geology Astronomy Weather & Climate By Anne Marie Helmenstine, Ph.D. Anne Marie Helmenstine, Ph.D. Facebook Twitter 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. Learn about our Editorial Process 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. List of Abbreviations Starting With the Letter L l - angular momentum quantum numberL or l - lengthL- - LevorotatoryL - literl - liquidLa - LanthanumLA - Linoleic AcidLA - Lactic AcidLA - Lewis Acid LAE - Lyman Alpha EmitterLAB - Linear Alkyl BenzeneLASER - Light Amplification by Stimulated Emission of RadiationLB - Lewis Baselb - poundLBNL - Lawrence Berkeley National LaboratoryLC - Liquid CooledLC - Liquid ChromatographyLC - Liquid CrystalLC-MS Liquid Chromatography with Mass SpectroscopyLCB - Long Chain BaseLCP - Le Chatelier's PrincipleLCS - Laboratory Control SampleLD - Lethal DoseLD50 - Lethal Dose—50%LDF - London Dispersion ForceLDP - Low-Density PolyethyleneLEOGER - Losing Electron Oxidation/Gaining Electron ReductionLEP - Large Electron-Positron colliderLF - Low FrequencyLFL - Lower Flammable LimitLG - Leaving GroupLGB - Lotte Gas BoilerLH - Low HeatLH - Light HydrocarbonLH2 - Liquid HydrogenLHC - Large Hadron ColliderLHH - Light, Heat, HumidityLi - LithiumLIBS - Laser-Induced Breakdown SpectroscopyLiP - Lithium Polymer batteryLiq - LiquidLLD - Liquid Level DetectionLLE - Liquid-Liquid EquilibriumLLNL - Lawrence Livermore National LaboratoryLMA - Low Moisture AbsorptionLME - Liquid Metal EmbrittlementLMH - Liquid HydrogenLN - Liquid Nitrogenln - natural logarithmLNG - Liquid Natural GasLO - Localized OrbitalsLOD - Loss On DryingLOQ - Limit Of QuantificationLOX - Liquid OxygenLP - Liquid PetroleumLP - Liquid PropaneLPA - Liquid Pressure AmplifierLPG - Liquid Petroleum GasLq - LiquidLqd - LiquidLr - LawrenciumLSE - Low Surface EnergyLSD - Lysergic Acid DiethylamideLT - Less ThanLt - lightLT - Low TemperatureLTE - Local Thermodynamic Equilibrium LTG - Liquid To GasLTOEL - Long Term Occupational Exposure LimitLu - LutetiumLUMO - Lowest Unoccupied Molecular OrbitalLV - Low VolatilityLVS - Large Volume SamplerLw - Lawrencium (Changed to Lr)LWC - Light Water ContentLWG - Liquid Water in Grams Cite this Article Format mla apa chicago Your Citation 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 June 1, 2023). copy citation