

Pure sciences and exact or mathematical sciences, including astronomy, mechanics and mathematical physics.
| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| KexT | Kexue Tongbao | In Chinese | → Serial publications, periodicals | 
| KGV | Kleinste Gemene Veelvoud = PPCM | Plus Petit Commun Multiple | In French = LCM | Least Common Multiple | In English = MCM | Mínim Comú Múltiple | In Catalan = NSN | Nejmenší Společný Násobek | In Czech = ggT | Größter gemeinsamer Teiler | In German = PMKO | Plej Malgranda Komuna Oblo | In Esperanto = MCM | Mínimo Común Múltiplo | In Spanish = PYJ | Pienin yhteinen jaettava | In Finnish = LKKT | Legkisebb közös többszörös | In Hungarian = KPK | Kelipatan persekutuan terkecil | In Indonesian = MCM | Minimo Comune Multiplo | In Italian = NWW | Najmniejsza wspólna wielokrotność | In Polish = MMC | Mínimo Múltiplo Comum | In Portuguese = НОК | Наименьшее общее кратное | In Russian = NSN | Najmenší spoločný násobok | In Slovak = НСК | Найменше спільне кратне | In Ukrainian | In Dutch | → Number theory | 
| KhPl | Khimiia Plazmy | In Russian | → Serial publications, periodicals → Chemistry | 
| KHPM | Kininogène de Haut Poids Moléculaire | In French | → Biochemistry, biophysics | 
| KiCat | Kinetics and Catalysis | In English | → Serial publications, periodicals → Chemistry | 
| KliBA | Klimaschutz- und Energie-Beratungsagentur | In German | → Meteorology, climatology → Energy economics | 
| KLT | Karhunen–Loève Transform | In English | → Mathematics | 
| KMI | Koninklijk Meteorologisch Instituut = IRM | Institut Royal Météorologique de Belgique | In French | In Dutch | → Meteorology, climatology → Belgium | 
| KNAW | Koninklijke Nederlandse Akademie van Wetenschappen | In Dutch | → Academies → Netherlands | 
| KNMI | Koninklijk Nederlands Meteorologisch Instituut (www.knmi.nl) | In Dutch | → Research institutes → Meteorology, climatology → Netherlands | 
| KodOB | Kodaikanal Observatory Bulletins | In English | → Serial publications, periodicals → Astronomy | 
| KodRe | Kodaikanal Observatory Reprints | In English | → Serial publications, periodicals → Astronomy | 
| KomMe | Komety i Meteory | In Polish | → Serial publications, periodicals → Interplanetary medium | 
| KOMP | Knockout Mouse Project | In English | → Biological sciences | 
| KOPS | Korea Ocean Prediction System (http://kops.kordi.re.kr) | In English | → Marine research, oceanography → Meteorology, climatology | 
| KosIs | Kosmicheskie Issledovaniia | In Russian | → Serial publications, periodicals → Astronomy | 
| KosNT | Kosmicheskaia Nauka i Tekhnika | In Russian | → Serial publications, periodicals → Astronomy | 
| KPK | Kelipatan persekutuan terkecil = KGV, PPCM, LCM, MCM, NSN, ggT, PMKO, PYJ, LKKT, NWW, MMC, НОК, НСК (look above) | In Indonesian | → Number theory | 
| KPM | Kometen, Planetoiden, Meteore | In German | → Solar system | 
| KPNO | Kitt Peak National Observatory | In English | → Observatories | 
| Kr | Krypton = Kr | Kripton | In Afrikaans = Kr | كريبتون | In Arabic = Kr | Крыптон | In Belarusian = Kr | Криптон | In Bulgarian = Kr | ক্রিপটন | In Bengali = Kr | Kripton | In Bosnian = Kr | Criptó | In Catalan = Kr | Kriptone | In Corsican = Kr | Krypton | In Czech = Kr | Криптон | In Chuvash = Kr | Crypton | In Welsh = Kr | Krypton | In Danish = Kr | Krypton | In German = Kr | Κρυπτό | In Greek = Kr | Krypton | In English = Kr | Kriptono | In Esperanto = Kr | Kriptón | In Spanish = Kr | Krüptoon | In Estonian = Kr | Kripton | In Basque = Kr | Krypton | In Finnish = Kr | Cripton | In Friulian = Kr | Crioptón | In Irish = Kr | Cripton | In Galician = Kr | Krypton | In Manx = Kr | קריפטון | In Hebrew = Kr | क्रिप्टन | In Hindi = Kr | Kripton | In Croatian = Kr | Kripton | In Haitian Creole = Kr | Kripton | In Hungarian = Kr | Կրիպտոն | In Armenian = Kr | Kripton | In Indonesian = Kr | Kriptono | In Ido = Kr | Krypton | In Icelandic = Kr | Kripton | In Italian = Kr | クリプトン | In Japanese = Kr | mipnavni | In Lojban = Kr | Kripton | JV = Kr | ಕ್ರಿಪ್ಟಾನ್ | In Kannada = Kr | 크립톤 | In Korean = Kr | Krypton | In Latin = Kr | Krypton | In Letzeburgesh = Kr | Krypton | In Limburgish = Kr | Kriptonas | In Lithuanian = Kr | Kriptons | In Latvian = Kr | ക്രിപ്റ്റണ് | In Malayalam = Kr | Kripton | In Malay = Kr | Krypton | In Low German = Kr | Krypton | In Dutch = Kr | Krypton | In Nynorsk = Kr | Krypton | In Norwegian = Kr | Cripton | In Occitan = Kr | Krypton | In Polish = Kr | Crípton | In Portuguese = Kr | Kriptun | In Quechua = Kr | Kripton | In Romanian = Kr | Криптон | In Russian = Kr | Kripton | In Sicilian = Kr | Kripton | In Serbo-Croatian = Kr | Kryptón | In Slovak = Kr | Kripton | In Slovenian = Kr | Криптон | In Serbian = Kr | Krypton | In Swedish = Kr | Kriptoni | In Swahili = Kr | கிருப்டான் | In Tamil = Kr | คริปทอน | In Thai = Kr | Kripton | In Turkish = Kr | Криптон | In Ukrainian = Kr | Kripton | In Uzbek = Kr | Krypton | In Vietnamese = Kr | 氪 | In Chinese | In French | → Chemistry | 
| Kr | Kripton = (look above) | In Afrikaans | → Chemistry | 
| Kr | كريبتون = (look above) | In Arabic | → Chemistry | 
| Kr | Крыптон = (look above) | In Belarusian | → Chemistry | 
| Kr | Криптон = (look above) | In Bulgarian | → Chemistry | 
| Kr | ক্রিপটন = (look above) | In Bengali | → Chemistry | 
| Kr | Kripton = (look above) | In Bosnian | → Chemistry | 
| Kr | Criptó = (look above) | In Catalan | → Chemistry | 
| Kr | Kriptone = (look above) | In Corsican | → Chemistry | 
| Kr | Krypton = (look above) | In Czech | → Chemistry | 
| Kr | Криптон = (look above) | In Chuvash | → Chemistry | 
| Kr | Crypton = (look above) | In Welsh | → Chemistry | 
| Kr | Krypton = (look above) | In Danish | → Chemistry | 
| Kr | Krypton = (look above) | In German | → Chemistry | 
| Kr | Κρυπτό = (look above) | In Greek | → Chemistry | 
| Kr | Krypton = (look above) | In English | → Chemistry | 
| Kr | Kriptono = (look above) | In Esperanto | → Chemistry | 
| Kr | Kriptón = (look above) | In Spanish | → Chemistry | 
| Kr | Krüptoon = (look above) | In Estonian | → Chemistry | 
| Kr | Kripton = (look above) | In Basque | → Chemistry | 
| Kr | Krypton = (look above) | In Finnish | → Chemistry | 
| Kr | Cripton = (look above) | In Friulian | → Chemistry | 
| Kr | Crioptón = (look above) | In Irish | → Chemistry | 
| Kr | Cripton = (look above) | In Galician | → Chemistry | 
| Kr | Krypton = (look above) | In Manx | → Chemistry | 
| Kr | קריפטון = (look above) | In Hebrew | → Chemistry | 
| Kr | क्रिप्टन = (look above) | In Hindi | → Chemistry | 
| Kr | Kripton = (look above) | In Croatian | → Chemistry | 
| Kr | Kripton = (look above) | In Haitian Creole | → Chemistry | 
| Kr | Kripton = (look above) | In Hungarian | → Chemistry | 
| Kr | Կրիպտոն = (look above) | In Armenian | → Chemistry | 
| Kr | Kripton = (look above) | In Indonesian | → Chemistry | 
| Kr | Kriptono = (look above) | In Ido | → Chemistry | 
| Kr | Krypton = (look above) | In Icelandic | → Chemistry | 
| Kr | Kripton = (look above) | In Italian | → Chemistry | 
| Kr | クリプトン = (look above) | In Japanese | → Chemistry | 
| Kr | mipnavni = (look above) | In Lojban | → Chemistry | 
| Kr | Kripton = (look above) | [JV] | → Chemistry | 
| Kr | ಕ್ರಿಪ್ಟಾನ್ = (look above) | In Kannada | → Chemistry | 
| Kr | 크립톤 = (look above) | In Korean | → Chemistry | 
| Kr | Krypton = (look above) | In Latin | → Chemistry | 
| Kr | Krypton = (look above) | In Letzeburgesh | → Chemistry | 
| Kr | Krypton = (look above) | In Limburgish | → Chemistry | 
| Kr | Kriptonas = (look above) | In Lithuanian | → Chemistry | 
| Kr | Kriptons = (look above) | In Latvian | → Chemistry | 
| Kr | ക്രിപ്റ്റണ് = (look above) | In Malayalam | → Chemistry | 
| Kr | Kripton = (look above) | In Malay | → Chemistry | 
| Kr | Krypton = (look above) | In Low German | → Chemistry | 
| Kr | Krypton = (look above) | In Dutch | → Chemistry | 
| Kr | Krypton = (look above) | In Nynorsk | → Chemistry | 
| Kr | Krypton = (look above) | In Norwegian | → Chemistry | 
| Kr | Cripton = (look above) | In Occitan | → Chemistry | 
| Kr | Krypton = (look above) | In Polish | → Chemistry | 
| Kr | Crípton = (look above) | In Portuguese | → Chemistry | 
| Kr | Kriptun = (look above) | In Quechua | → Chemistry | 
| Kr | Kripton = (look above) | In Romanian | → Chemistry | 
| Kr | Криптон = (look above) | In Russian | → Chemistry | 
| Kr | Kripton = (look above) | In Sicilian | → Chemistry | 
| Kr | Kripton = (look above) | In Serbo-Croatian | → Chemistry | 
| Kr | Kryptón = (look above) | In Slovak | → Chemistry | 
| Kr | Kripton = (look above) | In Slovenian | → Chemistry | 
| Kr | Криптон = (look above) | In Serbian | → Chemistry | 
| Kr | Krypton = (look above) | In Swedish | → Chemistry | 
| Kr | Kriptoni = (look above) | In Swahili | → Chemistry | 
| Kr | கிருப்டான் = (look above) | In Tamil | → Chemistry | 
| Kr | คริปทอน = (look above) | In Thai | → Chemistry | 
| Kr | Kripton = (look above) | In Turkish | → Chemistry | 
| Kr | Криптон = (look above) | In Ukrainian | → Chemistry | 
| Kr | Kripton = (look above) | In Uzbek | → Chemistry | 
| Kr | Krypton = (look above) | In Vietnamese | → Chemistry | 
| Kr | 氪 = (look above) | In Chinese | → Chemistry | 
| KSDA | Konservasi Sumber Daya Alam | In Indonesian | → Organizations and associations → Environmental protection | 
| KVeBB | Kleine Veröffentlichungen der Universitätssternwarte zu Berlin Babelsberg | In German | → Serial publications, periodicals → Astronomy | 
| L | Leucine = L | Leucina | In Catalan = L | Leucin | In Danish = L | Leucin | In German = L | Leucina | In Spanish = L | Leŭcino | In Esperanto = L | Leucine | In French = L | 류신 | In Korean = L | Leucin | In Croatian = L | Leusin | In Indonesian = L | Leucina | In Italian = L | לאוצין | In Hebrew = L | Leicīns | In Latvian = L | Leucin | In Letzeburgesh = L | Leucinas | In Lithuanian = L | Leucine | In Dutch = L | ロイシン | In Japanese = L | Leucin | In Norwegian = L | Leucyna | In Polish = L | Leucina | In Portuguese = L | Лейцин | In Russian = L | Leusiini | In Finnish = L | Leucin | In Swedish = L | Lösin | In Turkish = L | Лейцин | In Ukrainian = L | 亮氨酸 | In Chinese | In English | → Biochemistry, biophysics | 
| L | Leucina = (look above) | In Catalan | → Biochemistry, biophysics | 
| L | Leucin = (look above) | In Danish | → Biochemistry, biophysics | 
| L | Leucin = (look above) | In German | → Biochemistry, biophysics | 
| L | Leucina = (look above) | In Spanish | → Biochemistry, biophysics | 
| L | Leŭcino = (look above) | In Esperanto | → Biochemistry, biophysics | 
| L | Leucine = (look above) | In French | → Biochemistry, biophysics | 
| L | 류신 = (look above) | In Korean | → Biochemistry, biophysics | 
| L | Leucin = (look above) | In Croatian | → Biochemistry, biophysics | 
| L | Leusin = (look above) | In Indonesian | → Biochemistry, biophysics | 
| L | Leucina = (look above) | In Italian | → Biochemistry, biophysics | 
| L | לאוצין = (look above) | In Hebrew | → Biochemistry, biophysics | 
| L | Leicīns = (look above) | In Latvian | → Biochemistry, biophysics | 
| L | Leucin = (look above) | In Letzeburgesh | → Biochemistry, biophysics | 
| L | Leucinas = (look above) | In Lithuanian | → Biochemistry, biophysics | 
| L | Leucine = (look above) | In Dutch | → Biochemistry, biophysics | 
| L | ロイシン = (look above) | In Japanese | → Biochemistry, biophysics | 
| L | Leucin = (look above) | In Norwegian | → Biochemistry, biophysics | 
| L | Leucyna = (look above) | In Polish | → Biochemistry, biophysics | 
| L | Leucina = (look above) | In Portuguese | → Biochemistry, biophysics | 
| L | Лейцин = (look above) | In Russian | → Biochemistry, biophysics | 
| L | Leusiini = (look above) | In Finnish | → Biochemistry, biophysics | 
| L | Leucin = (look above) | In Swedish | → Biochemistry, biophysics | 
| L | Lösin = (look above) | In Turkish | → Biochemistry, biophysics | 
| L | Лейцин = (look above) | In Ukrainian | → Biochemistry, biophysics | 
| L | 亮氨酸 = (look above) | In Chinese | → Biochemistry, biophysics | 
| L2E | Laboratoire d'Électronique et Électromagnétisme | In French | → Research institutes → Electronics → Electromagnetism | 
| LACCO | LAboratoire de Catalyse en Chimie Organique | In French | → Research institutes → Organic chemistry | 
| LACE | Laboratoire d'Application de la Chimie à l'Environnement | In French | → Research institutes → Environmental protection → Threats to the environment → Chemistry | 
| LACIS | Leipzig Aerosol Cloud Interaction Simulator | In English | → Meteorology, climatology | 
| LADA | Land Degradation Assessment in Drylands | In English | → Environmental protection → Threats to the environment → Earth sciences | 
| LAEPSI | Laboratoire d'Analyse Environnementale des Procédés et des Systèmes Industriels | In French | → Research institutes → Environmental protection → Environmental technology, water supply, waste management | 
| LAF | Laboratory Animal Facilities | In English | → Biological sciences → Pharmacology, toxicology | 
| LAF | Live Animal Facilities | In English | → Biological sciences → Zoology → Pharmacology, toxicology | 
| LAF | Lagged Average Forecast | In English | → Computer simulation → Meteorology, climatology | 
| LAF | Lagged Average Forecasting | In English | → Computer simulation → Meteorology, climatology | 
| LaFoc | Laser Focus | In English | → Serial publications, periodicals → Physics | 
| LAGEOS | LAser GEOdynamics Satellite (http://https://lageos.cddis.eosdis.nasa.gov/) | In English | → Astronautics → Geodesy, cartography → United States | 
| LAI | Latex Agglutination Assay | In English | → Biochemistry, biophysics | 
| LAI | Leaf Area Index | In English | → Ecology | 
| LAIRT | Large-Aperture Infrared Telescope | In English | → Astronomy | 
| LAITUE | L'Association Interdoctorant en Terre Univers Environnement | In French | → Associations → Earth sciences → Astronomy → Threats to the environment | 
| LAMCOS | Laboratoire de Mécanique des Contacts et des Solides | In French | → Research institutes → Mechanics | 
| LAMFA | Laboratoire Amiénois de Mathématique Fondamentale et Appliquée | In French | → Research institutes → Mathematics | 
| LAMMR | Large-Antenna Multichannel Microwave Radiometer | In English | → Astronomy | 
| LAMP | Lyman-Alpha Mapping Project | In English | → Astronomy | 
| LaPhy | Laser Physics | In English | → Serial publications, periodicals → Physics | 
| LAPP | Laboratoire d'Annecy-le-Vieux de Physique des Particules | In French | → Research institutes → Nuclear, atomic, and molecular physics → France | 
| LAPSS | Large-Area Pulse Solar Simulator | In English | → Astronomy | 
| LaRC | (NASA) Langley Research Center (www.larc.nasa.gov) | In English | → Research institutes → Astronomy → Astronautics → United States | 
| LAREG | Laboratoire de Recherche en Géodésie | In French | → Research institutes → Geodesy, cartography | 
| LARES | Laser Relativity Satellite | In English | → 52978 → 5315 | 
| LASA | Laboratory Animal Science Association (www.lasa.co.uk) | In English | → Associations → Zoology → Veterinary medicine → United Kingdom | 
| LASCO | Large Angle Spectrometric Coronograph | In English | → Solar system → Analytical chemistry | 
| LASER | Light Amplification by Stimulated Emission of Radiation | In English | → Physics → Engineering, technology | 
| LASER | Lum-Amplifo per Stimulata Eligo de Radioj | In Esperanto | → Electromagnetism | 
| LASERCOM | Laser Communications Payload | In English | → Astronautics → Optics | 
| LasJ | Laser Journal | In English | → Serial publications, periodicals → Physics | 
| LASS | Large-Amplitude Space Simulator | In English | → Astronomy → Astronautics | 
| LASSAP | Large Scale Sequence Comparison Package | In English | → Software → Genetics → Biotechnology | 
| LawOB | Laws Observatory Bulletin | In English | → Serial publications, periodicals → Astronomy | 
| LBLRR | LBL Research Review | In English | → Serial publications, periodicals → Astronomy → Physics | 
| LBS | Laboratoire de Bioinorganique Structurale | In French | → Research institutes → Biochemistry, biophysics | 
| LC-MS | Liquid Chromatography-Mass Spectrometry | In English | → Chemistry | 
| LCC | Laboratoire de Chimie de Coordination | In French | → Research institutes → Chemistry | 
| LCE | Low-Carbon Economy | In English | → Economics → Environmental protection | 
| LCET | Low Carbon Energy Technology | In English | → Energy economics → Environmental protection | 
| LCM | Least Common Multiple = KGV, PPCM, MCM, NSN, ggT, PMKO, PYJ, LKKT, KPK, NWW, MMC, НОК, НСК (look above) | In English | → Number theory | 
| LCMV | Lymphocytic Choriomeningitis Virus | In English | → Virology | 
| LCROSS | Lunar Crater Observation and Sensing Satellite | In English | → Astronomy → Astronautics | 
| LDA | Local Density Approximation | In English | → Atomic physics | 
| LDEO | Lamont-Doherty Earth Observatory (https://www.ldeo.columbia.edu/) | In English | → Observatories | 
| LDH | Lactate Dehydrogenase | In English | → Enzymes | 
| LDL | Low Density Lipoprotein | In English | → Proteins | 
| LDLR | Low-Density Lipoprotein Receptor | In English | → Proteins | 
| LDMS | Laboratoire de Dynamique des Machines et des Structures | In French | → Research institutes → Mechanics → Mechanical engineering | 
| LEA | Late Embryogenesis Abundant protein | In English | → Proteins → Reproductive biology | 
| LEAPDB | Late Embryogenesis Abundant Proteins DataBase | In English | → Databases → Proteins → Reproductive biology | 
| LEBM | Laboratoire Européen de Biologie Moléculaire | In French | → Research institutes → Biochemistry, biophysics | 
| LEDSS | Laboratoire d'Études Dynamiques et Structurales de la Sélectivité | In French | → Research institutes → Chemistry → Biochemistry, biophysics | 
| LEED | Leadership in Energy and Environmental Design | In English | → Drawing and applied arts → Energy economics → Environmental protection | 
| LEED | Low Energy Electron Diffraction | In Dutch | → Physics | 
| LEFM | Linear Elasticity Fracture Mechanics | In English | → Mechanics | 
| LEGMA | Latvian Environment, Geological and Meterological Agency | In English | → Environmental protection → Threats to the environment → Earth sciences → Meteorology, climatology | 
| LEGRI | Low Energy Gamma Ray Imager | In English | → Astronautics → Astronomy | 
| LEM | Lunar Excursion Module | In English | → Planets and satellites → Astronautics | 
| LEMA | Laboratoire d'Électrodynamique des Matériaux Avancés | In French | → Research institutes → Electricity, magnetism, electromagnetism → Materials science | 
| LEND | Lunar Exploration Neutron Detector | In English | → Astronomy | 
| LEP | Large Electron Positron collider | In French | → Nuclear, atomic, and molecular physics | 
| LERec | L'Écho des Recherches | In French | → Serial publications, periodicals | 
| LFCC | Laboratoire Franco-Chinois sur la Catalyse | In French | → Research institutes → Chemistry → Chemical technology | 
| LFFE | Low-Fossil-Fuel Economy | In English | → Economics → Energy economics → Environmental protection | 
| LGE | Laboratoire de Géochimie des Eaux | In French | → Research institutes → Geochemistry → Hydrology | 
| LGGE | Laboratoire de Glaciologie et Géophysique de l'Environnement | In French | → Research institutes → Earth sciences | 
| LGIT | Laboratoire de Géophysique Interne et de Tectonophysique | In French | → Research institutes → Geophysics → Seismology, earthquakes | 
| LGL | Lethal Giant Larvae | In English | → Zoology | 
| LGRB | Landesamt für Geologie, Rohstoffe und Bergbau | In German | → Regional administration → Earth sciences → Mining | 
| LH | Luteinizing Hormone | In English | → Hormones → Gynaecology | 
| LHC | Large Hadron Collider | In French | → Nuclear, atomic, and molecular physics | 
| LHC | Left-Hand Circular | In English | → Optics | 
| LHCP | Left-Hand Circular Polarization | In English | → Optics | 
| LHMT | Letters Heat Mass Transfer | In English | → Serial publications, periodicals → Thermodynamics | 
| LHOP | Laser-Hardened Optical Payload | In English | → Astronautics → Optics | 
| LHWP | Lesotho Highlands Water Project | In English | → Hydrology → Environmental technology, water supply, waste management | 
| Li | Litium = Li | ليثيوم | In Arabic = Li | Litiu | In Asturian = Li | Літый | In Belarusian = Li | Литий | In Bulgarian = Li | লিথিয়াম | In Bengali = Li | Litijum | In Bosnian = Li | Liti | In Catalan = Li | Litiu | In Corsican = Li | Lithium | In Czech = Li | Лити | In Chuvash = Li | Lithiwm | In Welsh = Li | Lithium | In Danish = Li | Lithium | In German = Li | Λίθιο | In Greek = Li | Lithium | In English = Li | Litio | In Esperanto = Li | Litio | In Spanish = Li | Liitium | In Estonian = Li | Litio | In Basque = Li | لیتیوم | In Persian = Li | Litium | In Finnish = Li | Liti | In Friulian = Li | Litiam | In Irish = Li | Litio | In Galician = Li | ליתיום | In Hebrew = Li | लिथियम | In Hindi = Li | Litij | In Croatian = Li | Lityòm | In Haitian Creole = Li | Lítium | In Hungarian = Li | Լիթիում | In Armenian = Li | Litium | In Indonesian = Li | Litio | In Ido = Li | Litín | In Icelandic = Li | Litio | In Italian = Li | リチウム | In Japanese = Li | roksodna | In Lojban = Li | ლითიუმი | In Georgian = Li | 리튬 | In Korean = Li | Lithium | In Kölsch = Li | Lîtyûm | In Kurdish = Li | Lithium | In Latin = Li | Lithium | In Letzeburgesh = Li | Litis | In Lithuanian = Li | Litijs | In Latvian = Li | Литиум | In Macedonian = Li | ലിഥിയം | In Malayalam = Li | Litium | In Malay = Li | Lithium | In Low German = Li | Lithium | In Dutch = Li | Litium | In Nynorsk = Li | Litium | In Norwegian = Li | Liti | In Occitan = Li | Lit | In Polish = Li | Lítio | In Portuguese = Li | Lityu | In Quechua = Li | Litiu | In Romanian = Li | Литий | In Russian = Li | लिथियम | In Sanskrit = Li | Litij | In Serbo-Croatian = Li | Lítium | In Slovak = Li | Litij | In Slovenian = Li | Litiumi | In Albanian = Li | Литијум | In Serbian = Li | Litium | In Swedish = Li | Lithi | In Swahili = Li | லித்தியம் | In Tamil = Li | ลิเทียม | In Thai = Li | Lityum | In Turkish = Li | Літій | In Ukrainian = Li | Litiy | In Uzbek = Li | Liti | In Vietnamese = Li | Litiom | In Walloon = Li | ליטיום | In Yiddisch = Li | 锂 | In Chinese | In Afrikaans | → Chemistry | 
| Li | ليثيوم = (look above) | In Arabic | → Chemistry | 
| Li | Litiu = (look above) | In Asturian | → Chemistry |