Words Starting With L and Ending With N

Explore 1,121 matching words, including learn, lessen, laban, labanotation, labefactation.

Other Ending Letters

Word Lengths Starting With L

All 1121 Matching Words

laban(uncommon) Alternative form of leban.labanotation(choreography) A system for documenting body movement.labefactationAlternative form of labefaction.labefaction(rare) The act of shaking or weakening or the resulting state; overthrow, ruination.labialisationAlternative spelling of labialization.labialization(phonology) A secondary articulatory feature of usually consonants that involves the contraction or rounding of the lips (labia) during pronunciation.labilisationNon-Oxford British English standard spelling of labilization.labilization(chemistry) The act or process of making labile, that is, of making unstable.labioclinationThe inclination of a tooth positioned more towards the lips.labiodentalization(phonetics) A change to a sound that makes it labiodental.labiovelarizationThe process of making or becoming labiovelar.labioversion(dentistry) The malposition of an anterior tooth away from the normal line of occlusion towards the lips.laboratorianA researcher or technologist who works in a laboratory: either a research laboratory or a clinical laboratory.laboratorizationConversion to laboratory conditionslabradorizationSynonym of labradorescence.labriformidinA particular steroid glycoside.labriforminA particular steroid glycoside.labyrintheanAlternative spelling of labyrinthianlabyrinthianMazelike, having long corridors and passageways that seemingly have no exit.labyrinthodon(paleontology) Alternative form of labyrinthodont.labyrinthopeptinAny of a class of lantibiotic peptides produced by the actinomycete ActinomaduralabyrinthuleanAny protist of the class Labyrinthulealaccin(organic chemistry) A yellow amorphous substance obtained from lac.laceman(dated) A male dealer in lace.lacemenplural of lacemanlacerationAn irregular open wound to soft tissue.lacertianPertaining to or resembling a lizard; lizard-like.lacertilianRelating to the reptilian suborder Lacertilia.lacewomanA woman who makes lace.lachrymationAlternative form of lacrimation.laciniation(botany, zoology) A laciniate form or appearance; division into deep, narrow, irregular lobes.lackbrain(derogatory) A person who lacks brains; an idiot.lacklatin(obsolete) Alternative form of lack-latin.laconization(rare) The practice, or an instance, of making something more Spartan in character.lacrimation(medicine or literary) The shedding or flow of tears; crying.lacritinA glycoprotein found in tears and saliva.lactacystin(organic chemistry) A selective proteosome inhibitor found in Streptomyces bacteria.lactadherinA secreted protein found in vertebrates; it may function as a cell adhesion protein to connect smooth muscle to elastic fibre in arteries.lactalbumin(biochemistry) The albumin content of milk.lactamization(organic chemistry) The conversion of a lactone into a lactamlactaptin(biochemistry) A casein fragment that has some anticancer activitylactarianA lactovegetarian.lactationThe secretion of milk from the mammary gland of a female mammal.lactean(archaic, poetic) milkylacteninA nitrogenous substance present in milk, with antimicrobial properties.lacticinA particular bacteriocin produced by the bacterium Lactococcus lactis.lactidomycinMisspelling of lactimidomycin.lactificationThe whitening of a black race.lactimidomycinA particular glutarimide antibioticlactin(obsolete) lactoselactoadherinAlternative form of lactadherin.lactoalbuminAlternative form of lactalbumin.lactocepin(biochemistry) A lactococcal cell envelope-associated proteinaselactocinAny of a class of bacteriocins produced by Lactobacillus bacteria.lactococcinAny of a group of bacteriocins produced by Lactococcus bacteria.lactocyclicinA cyclic bacteriocin present in bacteria of the genus Lactococcus.lactocystinAlternative form of lactacystin.lactofenA selective herbicide derived from acifluorfenlactofermentationLactic acid fermentation, a process by which certain sugars are converted into lactic acid, used especially to produce certain pickled/fermented foods such as sauerkraut and narezushi.lactoferrampinAn antimicrobial peptide related to lactoferrinlactoferricinAny of a group of amphipathic, cationic peptides with antimicrobial and anticancer propertieslactoferrinA globular multifunctional protein with antimicrobial activity, found in milk and many mucosal secretions such as tears and salivalactoflavin(dated, biochemistry) riboflavinlactofuchsinA mounting medium, composed of fuchsin in lactic acid, and stain for the microscopic study of fungilactogen(biochemistry) A polypeptide placental hormone, part of the somatotropin family, with structure and function similar to those of growth hormone. It modifies the metabolic state of the mother during pregnancy to facilitate the energy supply of the fetus.lactoglobulin(biochemistry) The globulin content of milklactolation(biochemistry) The reaction of lactose with a peptide or proteinlactonisationAlternative spelling of lactonization.lactonization(organic chemistry) Reaction with, or conversion into a lactone.lactoovovegetarianA vegetarian who also eats eggs and dairy products.lactophorin(biochemistry) A phosphoglycoprotein present in milklactoprotein(biochemistry) Any protein (such as casein) present in milklactoquinomycin(organic chemistry) A particular quinoid antibiotic that has anticancer propertieslactosaminoglycan(organic chemistry) Any glycan derived from lactosaminelactosylation(organic chemistry) Reaction with a lactosyl grouplactotransferrin(biochemistry) lactoferrinlactotropin(biochemistry) Prolactin; a peptide gonadotrophic hormone secreted by the pituitary gland that stimulates growth of the mammary glands and lactation in females.lactovegetarianA person whose diet excludes meat and eggs, but includes dairy products.lactrunculinAlternative form of latrunculin.lactucaxanthin(organic chemistry) A hydroxylated carotenoid found in plants of the genus Lactuca.lactucerin(organic chemistry) β-lactucerol.lactucin(organic chemistry) One of the essential ingredients of lactucarium, having analgesic and sedative properties.lactucon(organic chemistry, obsolete) Synonym of lactucerin.lactucopicrin(organic chemistry) A sesquiterpene lactone with sedative and analgesic effects, found in lactucarium.lacunin(biochemistry) An extracellular matrix protein present in certain mothslacustrianRelating to lakes; lacustrine.ladderizationThe process, or the result, of ladderizingladdermanA casino employee who supervises the baccarat table from a tall chair, watching for cheating etc.laddertron(physics) A device, in the form of a series of metal bars joined by non-conducting links, used in electrostatic acceleratorslademan(obsolete) A miller's servantladenWeighed down with a load, burdened.ladkin(archaic) A little lad.ladlemanA man employed in a metalworks to ladle the molten metal.ladronAlternative form of ladrone.ladyfernAlternative form of lady fern.ladykin(dated) A little, or young, lady.ladyporn(informal) Erotic literature written by and/or intended to appeal to women.laetificationAn act or instance of laetificating.laevocycloversion(medicine) A condition in which the top of the eye rotates to the left.laevodepression(medicine) eye movement down and to the leftlaevoelevation(medicine) eye movement up and to the leftlaevorotationAlternative form of levorotation.laevoversion(ophthalmology) A movement of both eyes to the left.laevulinAlternative form of levulin.lagan(law) Goods or materials found or left on the sea floor, attached to a floating marker that indicates ownership.lagerstannin(organic chemistry) A particular ellagitannin.laghmanA Central Asian dish of pulled noodles, meat and vegetables.lagman(Orkney, Shetland, historical, law) The presiding justice of the supreme court; a lawman.lagobolon(Ancient Greece) A hunter's stick for striking hares.lagoonA shallow body of water separated from deeper sea by a bar.lagrangianAlternative letter-case form of Lagrangian.lahmacunA dish of Arab origin consisting of a round, thin piece of dough topped with minced meat (most commonly beef and lamb).lahmajoonAlternative spelling of lahmajoun.lahmajounAlternative form of lahmacun.lahmajunAlternative spelling of lahmajoun.laibonA shamanistic seer and healer among the Maasai people.laicisationAlternative spelling of laicization.laicizationThe act of laicizing.laidlomycin(pharmacology) A particular antibiotic.lainpast participle of lie (“to be oriented in a horizontal position, situated”)lajollamycinAn antibiotic derived from salinosporamide A.lakinObsolete form of ladykin.lakorna Thai television dramalallationThe incorrect pronunciation of the letter "r" so that it sounds like an "l" (or "w").lamajoonAlternative spelling of lahmajoun.lamajounAlternative spelling of lahmajoun.lamajunAlternative spelling of lahmacun.lamantin(archaic) Synonym of manatee.lambeosaurinAlternative form of lambeosaurine.lambkinA young lamb, a very young sheep.lambrekinAlternative form of lambrequin.lambrequin(heraldry) A heraldic representation of such an item, often used as drapery around a coat of arms.lambskinThe skin of a very young sheep, especially prepared with the fleece still attached. A very fine form of leather.lamdanOne who is learned in Jewish law.lamebrainlamebrained, foolishlamellationA lamellate layer or segment.lamellicorn(entomology, of antennae) Having a group of flat lamellae on the end.lamellipedian(zoology) Any arthropod having flat exopod setaelamellipodin(biochemistry) A protein that promotes the formation of lamellipodialamenAlternative form of ramen.lamentationThe act of lamenting.lamentinAlternative form of lamantin.lamianA type of hand-pulled Chinese noodle.lamifiban(pharmacology) An antiplatelet drug.lamin(biochemistry) Any of a class of fibrous proteins that provide structure, and regulate transcription in a cell nucleuslaminaranAny brown alga of the genus Laminaria.laminarialeanOf or relating to the kelp of the order Laminariales.laminarianRelating to seaweeds of the genus Laminaria, or to the depth zone of the sea in which they grow.laminarin(biochemistry) A glucan produced by some brown algaelaminarizationThe act of laminarizinglaminationThe process of laminating, joining together thin layers.lamington(chiefly Australia and New Zealand) A small square Australian/New Zealand cake made with sponge cake covered on all sides (including top and bottom) with chocolate and desiccated coconut.laminin(biochemistry) Any of a class of glycoproteins found in the basement membranes of most animal tissuelaminiplantation(zoology, rare) The quality of being laminiplantar.lampernEuropean river lamprey (Lampetra fluviatilis).lamphredinThe blood anticoagulant secreted by the lamprey.lampionA small oil lamp.lampman(historical) A person employed to clean and maintain lamps.lampoonA written attack or other work ridiculing a person, group, or institution; especially, a satirical one.lamprologinAlternative form of lamprologine.lampron(obsolete) A lamprey.lanadoxinA particular steroid glycoside.lanafoleinA particular steroid glycoside.lanatigoninA particular steroid glycoside.lancaran(music) In gamelan music, a cycle of 16 beats in the sequence TWTN TPTN TPTN TPTG, where T indicates the strike of the ketuk, P the kempul, N the kenong, G the simultaneous gong and kenong, and W the wela, the pause where the kempul is omitted.lancemanA soldier armed with a lance.lanceolation(uncountable) The quality of being lanceolate.lanceolinA particular steroid glycoside.lanceotoxinA particular steroid glycoside.lancinA particular steroid glycoside.lancination(archaic) A tearing or laceration.lancininA particular steroid glycoside.landammanAlternative spelling of Landammann.landmanSomeone who lives or works on land, as opposed to a seaman.landmenplural of landmanlandomycinAny of a group of antibiotics that are glycosides of landomycinone and a hexasaccharidelandpersonA landlord or landlady.landphoon(meteorology, informal) A tropical depression over land whose satellite signature resembles that of a typhoon.landsmanA person who does not go to sea, who lacks the skills of a sailor or who is uncomfortable on ships or boats.landsmen(irregular) plural of landsmanlangerin(biochemistry) An antigen produced by Langerhans cellslaniation(obsolete) The act of tearing to pieces.laniatoreanAny harvestman in the arachnid suborder Laniatoreslankacidin(organic chemistry, medicine) Any of a family of macrolide tetraenes, isolated from Streptomyces, that are antitumor antibiotics.lankamycinA macrolide antibiotic produced by Streptomyces violaceusniger (correction of Streptomyces voilaceoniger)lanken(intransitive) To become lank or lanky; grow thin.lanolin(transitive) To treat with lanolin.lanternA case of translucent or transparent material made to protect a flame, or light, used to illuminate its surroundings.lanternman(historical) The (male) operator of a magic lantern.lanthanian(mineralogy) Containing lanthanum.lanthiopeptinA peptide antibiotic produced by Streptomyces cinnamoneuslanthornArchaic form of lantern.lantrunculinMisspelling of latrunculin.lantzmanA fellow Jew who grew up in the same Eastern European shtetl as the speaker.lanzonLansium domesticum, a species of tree in the mahogany familylapalissianAlternative letter-case form of Lapalissian.laparoconversion(surgery) conversion of a laparoscopic procedure to a normal, open onelapidarianSynonym of lapidary.lapidation(law) The practice or act of stoning, sometimes to the point of death, as punishmentlapidificationThe act or process of lapidifying; fossilization; petrifaction, turning to stonelapinizationThe process of lapinizing.laplacianAlternative letter-case form of Laplacian.lapsarianOf or pertaining to the fall of man from innocence.lapsationA lapse (act or result of lapsing)laramanAn Albanian crypto-christian during the Ottoman rule of Albanialarchen(archaic) Of or pertaining to the larch tree.lardacein(biochemistry) A protein found in tissues affected with amyloid degeneration. It is insoluble in nearly all reagents, is not acted upon by gastric juice, and is not readily subject to putrefaction.lardbrain(colloquial, derogatory) An unintelligent person.lardon(uncountable) Meat strips used for larding, especially salted pork.lardoonAlternative form of lardon.largen(UK, literary) To enlarge.largition(obsolete) The bestowment of a largess or gift.lariatinAny of a group of antimycobacterial lasso peptides produced by Rhodococcuslaricitrin(organic chemistry) An O-methylated flavonol, a type of flavonoid.lariganAlternative form of larrigan.larikinAlternative spelling of larrikin.larin(numismatics, historical) Any of a class of twisted or hook-shaped metal objects serving as coins in areas around the Arabian Sea.larixin(organic chemistry) A crystallizable principle found in the bark of the larch.larn(Northern England, especially Geordie) To learn.larrigan(historical) A kind of leather boot.larrikin(by extension, Australia, slang) A high-spirited person who playfully rebels against authority and conventional norms; a maverick or scamp.larrykinAlternative spelling of larrikin.larrymanObsolete spelling of lorryman.larvaceanAny of various solitary, free-swimming tunicates of the class Larvacea.larvalizationConversion into a larvalarviposition(biology) The act or the result of larvipositinglaryngealizationThe process or result of laryngealizing.laryngeanArchaic form of laryngeal.laserbrain(derogatory, informal) idiot, stupid personlaserfectionCellular transfection by means of a laserlasergunAlternative spelling of laser gun.laserporationporation by means of a laserlasiandrin(organic chemistry) A particular phenolic glycoside present in Salix lasiandralasiodiplodin(organic chemistry) The lactone (4S)-14-hydroxy-16-methoxy-4-methyl-3-oxabicyclo[10.4.0]hexadeca-1(12),13,15-trien-2-onelasmiditanAn investigational drug for the treatment of acute migraine.lasoon(India, cooking) garliclasslorn(obsolete) Forsaken by one's lass or mistress.lassomycin(biochemistry) A cyclic peptide that has antibiotic activitylastbornThe youngest child of a family.latchman(rail transport, historical) A person employed to run in front of a locomotive and open the latch to turn it into a siding for trams to pass.latchpan(obsolete) Synonym of dripping pan.lateen(nautical) A triangular fore-and-aft sail set on a boom in such way that the tack is attached to the hull of the vessel and the free end of the boom lifts the sail.laten(intransitive) To grow late; become later.latensificationThe uniform pre-exposure of a photographic film.lateralisationAlternative spelling of lateralization.lateralizationLocalization of a function, such as speech, to the right or left side of the brain.laterbornThat was born later than anotherlatericorn(zoology) One of several horny pieces on the sides of a bird's upper beak below the culminicorn.laterisationAlternative form of laterization.laterizationThe weathering process by which rock is changed to laterite.laterocidin(organic chemistry) A cyclodecapeptide antibiotic present in Bacillus laterosporuslateroductionMovement (of a limb or eye) away from the midline.laterofixationlateral fixation (of a body part)lateroflexionLateral flexion (bending to one side).lateropulsion(medicine) a tendency to tilt or move sideways involuntarilylaterosporulinA bacteriocin present in the bacterium Brevibacillus laterosporuslateroversion(pathology) The abnormal lateral displacement of a body part, especially of the uterus.latexin(biochemistry) Any of a family of proteins associated with eggshell productionlathemanA person who operates a lathe.lathenMade from a lath or laths.latherin(biochemistry) A surfactant protein, found in the sweat of equines, which allows sweat to penetrate the waterproof coat and there evaporate and cool the animal.lathesmanAlternative form of latheman.lathyrogen(chemistry, medicine) Any agent that induces lathyrism.latinization(now nonstandard) Alternative letter-case form of Latinization.lation(astrology, obsolete) Motion of a celestial object from one place to another; local motion.latitation(obsolete) The act of concealment or hiding.latitudinarianNot restrained; not confined by precise limits.latonAlternative form of latten.latranculinMisspelling of latrunculin.latration(now rare) Barking, an instance of barking.latron(obsolete) A robber or brigand; one who plunders.latrophilin(biochemistry) Any of a group of secretins having the ability to bind latrotoxin.latrotoxin(biochemistry) Any of a group of neurotoxins found in the venom of spiders of the genus Latrodectus.latrunculinAny of a family of natural products and toxins produced by certain sponges, including the genus Latrunculia.latschenSynonym of krummholz (“dense low matted bushes at the tree-line”).lattenSheet tin; iron plate, covered with tin.latticizationThe act, or the result of latticizinglauanAny of several types of light wood, resembling mahogany, from various trees from the Philippines and Malaysia.laudationThe act of lauding; high praise or commendation.laughathon(informal) Something very funny; a comedy session or period of great amusement.laundrymanA man who is in the business of laundering.laundrymenplural of laundrymanlaundrywomanA woman employed to wash clothes.lauralean(botany) Of or relating to the Laurales, an order of flowering plants.laurasiatherian(zoology) Any member of the Laurasiatheria.laureationThe act of crowning with laurel; the act of conferring an academic degree, or honorary title.laurin(organic chemistry) A white crystalline substance extracted from the fruit of the bay (Laurus nobilis), and consisting of a complex mixture of glycerin ethers of several organic acids.laurocerasinSynonym of prulaurasin.lavandinA commercially important type of lavender, Lavandula × intermedia, which is a hybrid between English lavender (Lavandula angustifolia) and spike lavender, (Lavandula latifolia), combining the sweeter fragrance of the former with the stronger, faster growth of the latter.lavastatinMisspelling of lovastatin.lavation(obsolete) washing or cleansing.lavendamycin(organic chemistry) A polycyclic heterocycle present in some soil bacterialavendulan(mineralogy) An orthorhombic mineral containing arsenic, calcium, chlorine, copper, hydrogen, oxygen, and sodium.lawaanAlternative spelling of lauan.lawman(law, historical) A lawspeaker: a declarer of the law.lawmenplural of lawmanlawnGround (generally in front of or around a house) covered with grass kept closely mown.lawrightman(historical) A lay judge in Orkney.lawsona chemical and dye found in henna (Lawsonia inermis)laxaphycinAny of a group of antifungal cyclic peptides present in the blue-green alga Anabaena laxalaxationThe act of loosening or slackening, or the state of being loosened or slackened.laxen(ambitransitive) To make or become laxlaxuminA particular steroid glycoside.layan(transitive, Malaysia, colloquial) To respond to (a person) through conversation or actions, to entertain.laydown(usually uncountable) The act of laying something down.layerizationThe condition of being layerized; the process of layerizing something.layinAlternative form of lay-in.laymanLayperson, someone who is not an ordained cleric or member of the clergy.laymanizationThe process of laymanizing.laymenplural of laymanlaynAlternative spelling of leyn.laypersonA person who is not a cleric.laywomanA woman who is a layperson, one who has not taken a religious oath (such as becoming a nun).laywomenplural of laywomanlazen(rare, nonstandard, ambitransitive) To make or become lazed or lazyleadenOf or related to the metal lead, particularlyleaderman(aviation) a foreign (usually Russian) navigator who helps guide an aircraft during its descentleadmanThe male leader of a group of workers, who reports to a supervisor.leadmenplural of leadmanleadsman(nautical) A sailor who takes soundings with a lead, measuring the depth of water.leadsmenplural of leadsmanleafen(archaic) Formed in leaves.leamanAlternative form of leman.lean(intransitive) To incline, deviate, or bend, from a vertical position; to be in a position thus inclining or deviating.learnTo acquire, or attempt to acquire knowledge or an ability to do something.learnification(education, derogatory) The shift in discourses around and understandings of education to focus entirely or almost entirely on learning.leathermanA multitool, usually with a plier head as the central implement, that has an array of other implements such as knives, screwdrivers, can openers, files, saws, and so on.leathern(dated) Made of leather.leatherpersonA leatherman or leatherwoman.leatherwomanA member of a female sexual subculture characterized by a fetish for leather clothing.leavenAny agent used to make dough rise or to have a similar effect on baked goods.lebanCoagulated sour milk diluted with water.lebbanAlternative form of leban.lebectin(organic chemistry) A lectin in the venom of the viper Macrovipera lebetina.leben(chiefly archaic African-American Vernacular) Pronunciation spelling of leven, variant of eleven.lebercilin(biochemistry) A protein associated with centrosomal or ciliary functionslebkuchenA traditional German Christmas biscuit form of gingerbread.lebocin(biochemistry) An antibacterial glycoprotein present in some insectslecanicephalideanAny tapeworm of the order Lecanicephaloidealecanorin(archaic, organic chemistry) lecanoric acidlechon(Philippines) a roasted suckling piglet; a roasted piglecirelinA synthetic nonapeptide that is used as a veterinary druglecithin(organic chemistry) The principal phospholipid in animals; it is particularly abundant in egg yolks, and is extracted commercially from soy. It is a major constituent of cell membranes, and is commonly used as a food additive (as an emulsifier).lecozotanAn investigational drug for improvement of cognitive functions of Alzheimer's disease patients.lecternA stand with a slanted top used to support a Bible from which passages are read during a church service.lecticanAny of a family of proteoglycans that are components of the extracellular matrix.lectin(biochemistry) Any of a class of proteins that bind specific carbohydrates.lectinolysin(biochemistry) A cytolysin that attacks a terminal lectin domainlection(ecclesiastical) A reading of a religious text; a lesson to be read in church etc.lectotypification(taxonomy) The process, or the result of lectotypifyinglecturnObsolete form of lectern.lecythionAlternative form of lekythion.leddenAlternative form of leden.leden(obsolete) Language; speech.lederhosenA pair of knee-breeches made of leather, typical of Bavaria and Austria.ledgerdemainMisspelling of legerdemain.leetmanOne subject to the jurisdiction of a court-leet.lefamulinA particular antibioticlefradafiban(pharmacology) An antiplatelet drug.leftern(nonstandard, rare) Left (opposite of right).legalisationNon-Oxford British spelling of legalization.legalitarianIn favour of legislation as a means of bringing about equality.legalizationThe process of making something legal, the process to legalize, decriminalization.legalman(military) An enlisted sailor who serves as a paralegal.legationThe purpose for which a legate is sent; a legate's mission or commission. Now rare (cf. OED)legendarianOne who studies legends.legendizationThe process of legendizing.legendrian(mathematics) A Legendrian knotlegerdemainSleight of hand; "magic" trickery.legginDated form of legging.leghaemoglobinAlternative form of leghemoglobin.leghemoglobin(biochemistry) A hemoprotein found in the nitrogen-fixing root nodules of leguminous plants.leghorn(uncountable) A type of dried plaited wheat straw fabric.legionNumerous; vast; very great in number.legisign(Peircean semiotics) A sign that consists in a general idea, norm, or law.legislationThe act of legislating; preparation and enactment of laws.legitimationThe process of making or declaring a person legitimate.legitimatizationThe act of legitimatizinglegitimisation(British) Alternative spelling of legitimization.legitimizationThe process of legitimizing, of making legitimate and/or legal.legman(originally US) A person hired to carry out errands or (often) menial tasks, frequently requiring travel from place to place; an errand boy or errand girl, a runner.legoglobinleghemoglobinlegspanThe distance between the tips of the legs of a spider furthest from each other - generally diagonallyleguanAlternative form of leguaan.leguleian(obsolete) Legallegumain(biochemistry) An enzyme that catalyses the hydrolysis of proteins and small-molecule substrates at -Asn-Xaa- bonds.legumelin(biochemistry) An albumin found in the seeds of various leguminous plants.legumenDated form of legume.legumin(biochemistry, organic chemistry) Any of a group of globulins, resembling casein, found mostly in legumes and grains.lehmanninA flavonone found in the plant Sophora flavescens.leinamycin(medicine) A macrolide polyketide, produced by several species of Streptomyces atroolivaceus, that has antitumour activity.leiocarpin(medicine, organic chemistry) Any of a particular group of antileukemic fungal metabolitesleiomodin(biochemistry) A protein, in muscle cells, that binds actinleishmaninLeishmania antigenleishmanizationThe (deliberate) introduction of leishmaniasisleishmanolysin(biochemistry) An endopeptidase present in some trypanosomes of the genus Leishmania.leishporin(biochemistry) A porin isolated from species of LeishmanialekinAlternative form of likin (“Chinese provincial tax”).lekythion(poetry) In classical Greek and Latin poetry, a metric pattern defined by a sequence of seven alternating long and short syllables at the end of a verse.leman(often pejorative) A paramour.lemandarinCitrus × limonia, a citrus fruit which is a hybrid between the mandarin orange and the lemon.lemmanAlternative form of leman (“lover”).lemmatisation(computing, lexicography) The process of finding the lemma that corresponds to an inflected form of a word.lemmatizationAlternative spelling of lemmatisation.lemonA yellowish citrus fruit.lenampicillinA prodrug of ampicillin.lengthen(transitive) To make longer, to extend the length of.lengthman(nautical, rail transport, road transport, chiefly historical) A man responsible for the care and maintenance of a length of canal, railway, or road.lengthsmanAlternative form of lengthman.lenition(phonetics, phonology) A weakening of articulation causing a consonant to become lenis (soft).lensmanA male photographer.lensmenplural of lensmanlenswomanA female photographer.lentinan(biochemistry) A glucan found in the fruiting body of shiitake (Lentinula edodes).lentivirion(virology) The virion of a lentivirus.lentogenA lentogenic virusleopardskinThe skin or pelt of a leopard.leoponA hybrid animal, the offspring of a lion and a leopard.lepidopteranAny insect of the order Lepidoptera, the butterflies and moths.lepidopteron(zoology) Any insect of the order Lepidoptera.lepidosaurian(zoology) Any member of the Lepidosauria.lepidosiren(zoology) A lungfish.lepirudin(pharmacology) A recombinant hirudin derived from yeast cells, used as an anticoagulant.leprechaun(Ireland, folklore) One of a race of elves that can reveal hidden treasure to those who catch them.leprolinA preparation of the toxin of the lepra bacillus, formerly used in treating leprosy.leprominA preparation of the leprosy bacillus, used in diagnostic tests to identify what kind of leprosy a person has.leptaculatinA particular steroid glycoside.leptandrin(organic chemistry) A bitter glucoside obtained from plants in the genus Leptandra.leptin(biochemistry) A protein hormone produced in adipose tissue; it plays a role in regulating appetite and metabolism.leptocardian(zoology, dated) Of or relating to the Leptocardii (formerly Leptocardia).leptocleidianAny plesiosauroid of the clade LeptocleidialeptocylindraceanAny heterokont of the family LeptocylindraceaeleptoderminAn insecticide present in Cucumis africanusleptogluon(physics) Any of a class of proposed particles formed from a lepton and one or more gluonsleptohadron(physics) An excited state of a lepton that interacts as if it were a hadronleptomeson(physics) An excited state of a lepton that interacts as if it were a mesonleptomycin(medicine) Any of a family of antibiotics produced by Streptomyces bacteria.leptonA small, bronze Judean coin from the 1st century BCE, considered by some to be the widow's mite.leptonization(physics) The creation of leptons (in stars etc)leptopodomorphanAny true bug of the infraorder Leptopodomorphaleptoproduction(physics) The production of leptons, especially by the interaction of other particlesleptosin(organic chemistry) A polycyclic glycoside found exclusively in manuka honeyleptostracanAny crustacean of the order Leptostraca.lerisetron(pharmacology) A potent antiemetic.lernPronunciation spelling of learn.lernaeanAlternative form of lernean.lerneanA member of the family (Lernaeidae) of parasitic crustaceans found attached to fishes and other marine animals.lesbian(of a woman) Homosexual, gay; preferring exclusively women as romantic or sexual partners.lesbianisationNon-Oxford British English standard spelling of lesbianization.lesbianizationThe act, process or result of lesbianizing.lesion(pathology) A wound or injury.lesogaberan(pharmacology) An experimental drug candidate for the treatment of gastroesophageal reflux disease.lesopitronA selective full agonist of the 5-HT1A receptor, structurally related to the azapirones, used as an anxiolytic.lesploitationAlternative spelling of lezploitation.lessen(transitive) To make less; to diminish; to reduce.lessonA section of learning or teaching into which a wider learning content is divided.letdownAlternative form of let-down.letheanOf or relating to death or forgetfulness.letheon(medicine, archaic) diethyl ether, used as an anaesthetic agent.letten(obsolete) past participle of letletterman(US) A student who has attained a specified level of participation in a sporting or other activity, and is awarded a cloth “letter” to be affixed to an item of clothing.letternArchaic form of lectern.leucadendron(botany) Any of the genus Leucadendron of evergreen shrubs or trees.leucazolitmin(chemistry) A particular fraction of litmus.leucinDated form of leucine.leucinostatin(medicine) Any of a family of antimicrobial and antitumor antibiotics obtained from PaecilomycesleucinostinAny of a certain group of peptide mycotoxinsleuciscin(ichthyology) Of or relating to the cyprinid tribe LeuciscinileucoagglutinationAlternative form of leukoagglutination.leucoagglutinin(biochemistry) An antigenic glycoprotein that causes agglutination of white blood cellsleucoanthocyanidin(organic chemistry) A flavan-3,4-diols; any of a group of colourless chemical compounds related to anthocyanidins and anthocyanins.leucoanthocyanin(organic chemistry) The aglycone of a leucoanthocyanidinleucocidin(biology) Any staphylococcal or streptococcal exotoxin that causes leucocyte killing or lysis.leucocinAny of a group of bacteriocins produced by bacteria of the genus Leuconostoc.leucocyanidin(organic chemistry) A particular leucoanthocyanidin compound.leucocytozoan(zoology) Any of the genus Leucocytozoon of parasitic alveolates.leucodelphinidinA colourless chemical compound related to leucoanthocyanidins and found in various plants.leucodepletionAlternative form of leukodepletion.leucofiltrationAlternative form of leukofiltration.leucofisetinidin(organic chemistry) A particular leucoanthocyanidin compound.leucofuchsinA form of fuchsin that has lost its quinonoid structure and is therefore unpigmented.leucokininA myotropic neuropeptide present in most invertebratesleucomalvidin(organic chemistry) A particular leucoanthocyanidin compound.leucomycinSynonym of kitasamycin.leuconA complex sponge structure in which chambers lined with choanocytes are connected by a network of canalsleucoorcein(chemistry) A particular fraction of litmus, purplish-red compound that is one of the principal components of litmus, a mixture of dyes extracted from lichens and used as a pH indicator.leucopelargonidin(organic chemistry) A colourless compound related to leucoanthocyanins, found in various plants including the cashew and areca nutleucopeonidin(organic chemistry) A particular leucoanthocyanidin compound.leucoreductionAlternative form of leukoreduction.leucorobinetinidin(organic chemistry) A particular leucoanthocyanidin compound.leucosequestrationAlternative form of leukosequestration.leucosialinAlternative form of leukosialin.leucosin(dated) chrysolaminarinleucosulfakininA sulfated myotropic insect neuropeptide related to gastrin and cholecystokininleucotoxinAlternative form of leukotoxin.leucovorin(organic chemistry, pharmacology) A particular drug used in cancer treatment.leucoxenisation(British spelling) Alternative spelling of leucoxenization.leucylation(biochemistry) The addition of a terminal leucine to a polypeptide or protein.leuenkephalin(biochemistry) An endogenous opioid peptide neurotransmitter found naturally in the brains of many animals, including humans; one of the two forms of enkephalin (the other being metenkephalin).leukamenin(organic chemistry) Any of a class of diterpenoids isolated from Rabdosia umbrosa.leukoagglutininAlternative form of leucoagglutinin.leukocidinAlternative form of leucocidin.leukoconcentrationThe concentration of leukocytes in the bloodleukodepletiondepletion of leukocytesleukofiltrationThe use of a leukofilter to achieve leukoreductionleukointegrin(biochemistry) An integrin associated with leukocytesleukolectin(biochemistry) Any of a family of lectins involve with vertebrate macrophagesleukolysin(biochemistry) A metalloproteinase present in leukocytesleukoreductionThe removal of white blood cells (or leukocytes) from the blood.leukoregulin(biochemistry) A glycoprotein lymphokine that regulates the extracellular matrix in dermal fibroblastsleukosequestration(pathology) sequestration (accumulation from the environment) of leukocytesleukosialin(biochemistry) The major sialoglycoprotein of thymocytes and mature T-cellsleukotoxinAny substance that is toxic to leukocytesleumorphinSynonym of dynorphin.leupaxin(biochemistry) A particular protein that is preferentially expressed in hematopoietic cells and is most homologous to the focal adhesion protein paxillin.leupepsinAlternative form of leupeptin.leupeptin(biology) A protease inhibitor that also inhibits calpainleuprorelin(pharmacology) A synthetic analog of gonadotropin-releasing hormone (trademark Eligard, Lupron) that downregulates the secretion of gonadotropins, and is administered by injection in the form of its acetate C₅₉H₈₄N₁₆O₁₂·C₂H₄O₂ to treat cancer of the prostate gland, endometriosis, uterine fibroids, and precocious puberty.levain(baking) A starter dough for sourdough bread.levallorphan(pharmacology) An opioid antagonist from the morphinan family.levanA homopolysaccharide composed of D-fructofuranosyl.levation(archaic) The act of raising; elevation or upward motion, such as of a corpse in a religious service, or that produced by the action of a levator musclelevelisationAlternative form of levelization.levelizationThe act or process of levelizing.levelmanA surveyor who operates a leveling instrument.levenPronunciation spelling of eleven.levermanSomeone employed to operate a lever.leviathanA thing which is monstrously great in size, strength, etc. (especially a ship); also, a person with great power or wealth.levigationThe act or operation of levigating (making into fine powder)levin(poetic) Lightning; a bolt of lightning; also, a bright flame or light.levitationThe raising of something, such as a body, without apparent physical cause, allegedly using the power of the mind.leviton(physics) The collective excitation of a single electron within an electrical conductor such as a metal or graphene.levofloxacin(pharmacology) A broad-spectrum fluoroquinolone antibacterial agent (trademark Levaquin) that is the levorotatory isomer of ofloxacin.levoglucosan(organic chemistry) A bridged, polyhydroxy heterocycle, 6,8-dioxabicyclo[3.2.1]octane-2,3,4-triol or 1,6-anhydro-beta-D-glucose, formed by controlled pyrolysis of various carbohydrateslevogyrationlevorotationlevomethadonAlternative form of levomethadone.levomethorphan(pharmacology) A particular narcotic painkiller.levomilnacipran(pharmacology) A serotonin and norepinephrine reuptake inhibitor used to treat major depressive disorders.levomycetinThe antibiotic chloramphenicollevonordefrinA sympathomimetic amine used as a topical nasal decongestant and vasoconstrictor in dentistry.levophenacylmorphan(pharmacology) A morphinan derivative that acts as an opioid agonist.levorotationRotation in an anticlockwise direction, especially such rotation of the plane of polarized light.levosimendan(pharmacology) A calcium sensitiser used in the management of acutely decompensated congestive heart failure.levothyroxinAlternative form of levothyroxine.levoversionAlternative form of laevoversion.levulin(organic chemistry) A substance resembling dextrin, obtained from the bulbs of the dahlia, the artichoke, and other sources, that yields levulose on decomposition.levulosan(organic chemistry) An unfermentable carbohydrate obtained by gently heating levulose.lewissonA cramp iron inserted into a cavity in order to lift heavy stones.lexicalisationAlternative spelling of lexicalization.lexicalizationThe act or process of lexicalizing.lexiconThe vocabulary of a language.lexicostatisticianOne who studies lexicostatistics.lexitropsin(biochemistry) Any of a class of semisynthetic DNA-binding ligands, several of which are antibioticslexofloxacinMisspelling of levofloxacin.lexon(linguistics) A unit of lexis.leyn(Judaism) to read from a Torah scrolllezploitationThe exploitation of women in same-sex relationships and female-female sexual expression in the media, especially for the purpose of titillating heterosexual males.lezsploitationAlternative form of lezploitation.liagoraceanAny red alga of the family Liagoraceaeliaison(cooking) A thickening for sauces, typically based on egg yolks.liasonMisspelling of liaison.libationThe act of pouring a liquid, most often wine, in sacrifice on the ground, on a ritual object, or on a victim, in honor of some deity.liberalisationNon-Oxford British English standard spelling of liberalization.liberalizationThe process or act of making more liberal.liberaltarianAn adherent to liberaltarianism.liberationThe act of liberating or the state of being liberated.liberin(endocrinology) A releasing hormone; a hormone that is involved primarily in stimulating the release of another hormone.libertardian(derogatory, offensive) A rightist libertarian.libertarianOne who advocates liberty, either generally or in relation to a specific issue.libertoon(US, slang, derogatory) A libertarian.libertopian(US, politics, derogatory) A libertarian.libken(obsolete, thieves' cant) A house or lodging.libkinAlternative form of libken.librarianThe keeper, manager of a library.librationThe act of librating.libtardation(colloquial, US, slang, derogatory, offensive, vulgar, politics) Politically liberal thinking.lichen(figurative) Something which gradually spreads across something else, causing damage.lichenanSynonym of lichenin.lichenicidinA lantibiotic isolated from Bacillus licheniformislichenification(dermatology) Epidermal thickening characterized by visible and palpable thickening of the skin with accentuated skin markings.lichenin(biochemistry) A glucan found in some lichens.lichenisationAlternative spelling of lichenization.lichenization(lichenology) The process by which a fungus becomes a mycobiont of a lichen.lichenysinAny of a group of anionic cyclic lipoheptapeptide biosurfactants produced by Bacillus licheniformislicomycinAlternative form of lincomycin.lidamycinAn enediyne antitumor antibioticlidanserinA drug which acts as a combined 5-HT2A and α1-adrenergic receptor antagonist, developed as an antihypertensive agent but never marketed.lidden(archaic) A noise or din.lidderon(rare, archaic, dialectal) One who is lazy, idle, or bad; rascal; scoundrel; a weakling.lidofeninA diagnostic reagent.liedownAlternative form of lie-down.liegemanA male vassal (subject of a sovereign or lord).liegemenplural of liegemanliegewomanA female liege (subject of a sovereign or lord).lien(law) A right to take possession of a debtor’s property as security until a debt or duty is discharged.liensman(historical) A kind of vassal in GermanylifeboatmanA man who crews a lifeboat.lifeboatsmanAlternative form of lifeboatman.lifeguardsmanAlternative form of Life Guardsman.lifen(obsolete) To liven, to enliven.lifespan(biology) The length of time for which an organism lives.liftin(Geordie) Stinky, noisome, putrid.liftmanA person employed to operate a lift.ligamentizationThe formation of ligament tissue.liganAlternative form of lagan.ligandinGlutathione S-transferaseligationSomething that ties, a ligature.lighten(transitive) To make brighter or clearer; to illuminate.lighterman(nautical) One employed on, owning, or managing a lighter.lightgunAlternative form of light gun.lighthousemanThe keeper of a lighthouse.lightmanA man who carries or takes care of a light.lightpenAlternative spelling of light pen.lightskinA black, mixed race, Indigenous, Latino, or other person of color who has relatively light-coloured skin.lignan(organic chemistry) Any of a class of phenylpropanoid (propylbenzene) type of molecules found in essentially all plants, generally dimeric or higher order, and produced by secondary metabolic pathways branching off of aromatic amino acid biosynthesis, in some cases having associated antioxidant or estrogenic (phytoestrogenic) activities; having in common with lignin the phenylpropanoid monomers, where lignin is a random oxidative polymerization of the samelignificationTurning to wood; the process of becoming ligneous.lignin(organic chemistry) A complex non-carbohydrate aromatic polymer present in all wood.ligninificationThe formation of lignin in woody plants.lignotoxinAny of a group of toxins produced in the manufacture of lignocellulose as a fuelligroin(archaic) A petroleum fraction boiling 75°-125°C used as a solvent and fuel.ligustrin(organic chemistry) A bitter principle found in the bark of the European privet (Ligustrum vulgare).lijinAlternative form of likin (“Chinese provincial tax”).likenFollowed by to or (archaic) unto: to regard or state that (someone or something) is like another person or thing; to compare.likin(obsolete, historical) A Chinese provincial tax levied at many inland stations upon imports or articles in transit.liknon(historical) A winnowing fan in Ancient Greece, involved in Dionysian rites and the Eleusinian Mysteries.likubin(pathology) Ellipsis of citrus likubin (“huanglongbing”).lilacin(obsolete, organic chemistry) syringinlilinA supernatural being in ancient Mesopotamian folklore, and later in Jewish folklore in which they are associated with Lilith.lilliputianA very small person or being.limaconAlternative form of limaçon.limanA wide estuary formed as a lagoon at the mouth of one or more rivers, where flow is constrained by a bar of sediments (created by either the current of a sea or a sediment-saturated river), especially in the Black Sea region.limation(archaic) The act of filing, polishing, or refining.limbationA limbate formationlimekilnA furnace used to produce lime from limestone.limenA liminal point; the threshold of a physiological or psychological response.limettin(organic chemistry) Synonym of citropten.limitarianTending to limit, or supporting limitarianism.limitationThe act of limiting or the state of being limited.limn(transitive, also figuratively) To draw or paint; to delineate.limnonectin(biochemistry) Any of a group of antimicrobial peptides present in the skin of some frogs of the genus Limnonecteslimnoplankton(biology) The plankton of fresh waters, especially of lakeslimocitrin(organic chemistry) A particular flavonol found in citrus peels.limonObsolete spelling of lemon.limonin(organic chemistry) A limonoid found in orange and lemon seeds.limonitationAlternative form of limonitization.limonitization(geology) The conversion of ferrous rocks into limonite by weatheringlimousinA breed of beef cattle.limpen(ambitransitive) To make or become limp.limpin(obsolete, dialect) A limpet.limpkinA large bird, Aramus guarauna, found in marshes in the Caribbean, Central America and southern Florida.lin(UK dialectal, Northern England, Scotland) To desist, to stop, to cease.linagliptin(pharmacology) A DPP-4 inhibitor developed for treatment of type II diabetes.linamarin(biochemistry) A cyanogenic glucoside found in the leaves and roots of plants such as cassava, lima beans, and flax, capable of decomposing to toxic hydrogen cyanide in the human intestine.linarin(organic chemistry) A flavonoid glycoside, 5-hydroxy-2-(4-methoxyphenyl)-7-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxychromen-4-one found in toadflax.linchpinA pin inserted through holes at the end of an axle or shaft, so as to secure a wheel or shaft-mounted device.lincomycin(pharmacology) A lincosamide antibiotic derived from Streptomyces lincolnensis.lincomysinMisspelling of lincomycin.lindenAny of various deciduous trees of the genus Tilia, having heart-shaped leaves.linean(rare) Synonym of linear.linearisationNon-Oxford British English standard spelling of linearization.linearizationThe modification of a system such that its output is linearly dependent on its inputlinearmycin(organic chemistry) Any of a group of long linear polyene antibiotics present in a Streptomyceslineation(geology) A linear feature in rock, often structurallinemanA person who installs and repairs overhead cables (either power or telephone); a linesman.linemenplural of linemanlinen(uncountable) Thread or cloth made from flax fiber.linescanAlternative form of line scan.linesman(soccer) An assistant referee.linesmenplural of linesmanlinesperson(sports) A linesman or lineswomanlineswomanA female linesman.lingualizationThe act of representing something as a text in some language.linguistician(rare) A linguist.linguisticizationThe process of linguisticizing.linguliformeanAlternative form of linguliform.linguoversion(pathology) displacement of a tooth to a lingual positionlinin(biochemistry) The network of viscous material in a cell's nucleus that connects the chromatin granules.linkification(Internet, informal) The conversion of (something in a body of text) to one or more internal links or hyperlinks.linkman(rugby) A player who uses speed and dexterity to keep an attacking team's downfield progress fluid.linksmenplural of linksmanlinkspanA kind of drawbridge used mainly to move vehicles on and off a ro-ro vessel or ferry.linkswomanA female golfer.linn(Scotland, Northern England, Wales) A pool of water, especially one formed and agitated by the water from a cascade.linnenObsolete form of linen.linolein(organic chemistry) A triglyceride containing three linoleic acid residueslinotrobanA thrombolytic drug.linoxin(organic chemistry) A resinous substance obtained as an oxidation product of linoleic acid.linoxyn(organic chemistry) Alternative form of linoxin.linuronThe herbicide N'-(3,4-dichlorophenyl)-N-methoxy-N-methyl-urealinustatin(organic chemistry) A cyanogenic glycoside, present in linseed, that serves to protect animals against selenium toxicitylionA big cat, Panthera leo, native to Africa, India and formerly much of Europe.lionisation(British spelling) Alternative spelling of lionization.lionizationThe act of lionizing, the behavior that treats someone as a celebrity, either respectfully honoring or fawning adoration.lionskinThe skin of a lion.liopleurodonAny of the genus †Liopleurodon of large carnivorous marine plesiosaurs, apex predators of the Middle to Late Jurassic seas that covered Europe.liopropominAny grouper of the genus LiopropomaliparabinomannanAlternative form of lipoarabinomannan.lipfernAlternative form of lip fern.lipiarmycin(medicine) fidaxomicinlipidation(biochemistry) modification (especially of a protein) by association with a lipidlipidization(biochemistry) reaction (typically of a polypeptide) with a lipidlipidoglycan(biochemistry) A polymer composed of lipid and sugar residueslipin(biochemistry) Any fat, fatty acid, lipoid, soap, or similar substance.lipoarabinomananMisspelling of lipoarabinomannan.lipoarabinomanannMisspelling of lipoarabinomannan.lipoarabinomannan(biochemistry) A lipoglycan associated with some bacteria of the genus Mycobacterium.lipocalin(biochemistry) Any of a group of proteins that transport lipids and similar moleculeslipochitin(biochemistry) Any of a family of oligosaccharides consisting of chitin having a fatty acid group attached to the nitrogen of the non-reducing terminuslipochrin(organic chemistry) A yellow pigment found in the small round fat drops in the retinal epithelium cells.lipocortin(biochemistry) Any of a family of calcium-binding proteins that suppress the activity of phospholipaseslipoduction(cosmetics) A pharmaceutical mechanism in which liposomes open ducts in, or penetrate, the skin to target a deeper layer, e.g. the fat cells causing cellulite.lipofectaminAlternative form of lipofectamine.lipofectinA reagent used in lipofectionlipofectionliposome transfectionlipofucsinMisspelling of lipofuscin.lipofuscin(biochemistry) Any of a family of pigmented lipid granules that accumulate in several body tissues.lipofusinMisspelling of lipofuscin.lipoglycan(biochemistry) lipopolysaccharidelipoglycoproteinAny complex of a glycoprotein and a lipidlipoinitiation(biochemistry) The introduction of a lipid chain into a polypeptide (by lipidization)lipoinjection(cosmetic surgery) The injection of fat tissue obtained by liposuction.lipointoxicationThe disturbance of the biochemistry of a cell by the accumulation of saturated phospholipidslipomannan(biochemistry) A glycolipid, present in the mycobacterial cell wall, that can induce apoptosislipomobilization(physiology) The mobilization of fat, especially by movement into the bloodstreamlipopeptidophosphoglycan(biochemistry) Any phosphoglycan associated with a lipopeptidelipoperoxidation(biochemistry) the peroxidation (oxidative degradation) of lipids to form lipoperoxideslipophorin(biochemistry) A lipoprotein that transports diacylglycerollipophosphoglycan(biochemistry) Any of a family of phosphatidylinositol derivatives of glycan that coats the surfaces of many parasitic protozoa.lipophosphonoxinAny of a family of antibacterial agents having a structure based on a nucleoside, an iminosugar and a lipophilic alkyl chain all linked via a phosphonate grouplipoplatinA nanoparticle composed of lipids and cisplatin, used to treat tumours.lipoprivation(biology) Reduction in lipid availability for cellslipoprotectionThe protective action (on the heart) of certain lipidslipoproteinAny of a large group of complexes of protein and lipid with many biochemical functions.liporegulation(biochemistry) The biochemical regulation of fat metabolism and storage (in animals)liposecretin(biochemistry) Any lipoprotein secretinliposidomycinAny of a group of nucleoside antibiotics produced by Escherichia coli.liposomalizationThe formation of liposomesliposuction(medicine) A cosmetic surgery procedure in which excess fat is removed from a specific area by suction.lipotoxinAny material that leads to lipotoxicitylipotransfectiontransfection aided by the use of liposomeslipotropin(biochemistry) A pituitary hormone that promotes the metabolism of fat, and is a precursor to the endorphins.lipotyphlan(archaic) Any of the order Lipotyphla of animals.lipovitamin(biochemistry) Any fat-soluble vitamin.lipovitellin(biochemistry) A protein found in egg yolk and involved in lipid and metal storage.lipoxidation(organic chemistry) The oxidation or peroxidation of unsaturated lipids, especially when part of the ageing processlipoxin(biochemistry) Any of group of compounds, related to prostaglandins, that regulate inflammationlipoxygenation(organic chemistry) The process, or the result of lipoxygenatinglipoylation(organic chemistry) The attachment of a lipoyl group to a moleculelippen(transitive, UK dialectal, Northern England, Scotland) To entrust; trust to (someone/something).lipstatinA potent, irreversible inhibitor of pancreatic lipase, first isolated from the actinobacterium Streptomyces toxytricini.liquamen(historical) A fish sauce used in Ancient Rome.liquation(metallurgy) The partial melting of a mixture of metals or ores in order to separate components.liquefactionThe process of being, or state of having been, made liquid (from either a solid or a gas).liqueficationAlternative form of liquefaction.liquidationThe act of exchange of an asset of lesser liquidity with a more liquid one, such as cash.liquidizationThe action, or the result of liquidizingliquifactionAlternative form of liquefaction.liquificationAlternative form of liquefaction.liquiritigenin(organic chemistry) A flavanone found in a variety of plants including liquorice.liquiritin(organic chemistry) The 4'-O-glucoside of the flavanone liquiritigenin.lirationmalacology A helical line, ridge or row of bumps spiraling around the shell of a gastropod.liriodendrinAn antiarrhythmic lignan isolated from pittosporumliriodendronAny of several large North American trees, of the genus Liriodendron, that have tulip-like flowers; especially Liriodendron tulipifera, the tulip treelisenEye dialect spelling of listen.lissamphibianAny of the living amphibians of the subclass Lissamphibia, including the frog and salamander families.lissen(dialect) A cleft or hollow in rock.lissotrichianSynonym of lissotrichous.listen(intransitive) To accept advice or obey instruction; to agree or assent.listericin(biochemistry) A listericidal protein produced by the fruit fly Drosophila melanogaster; the gene responsible for its formationlisteriocin(bacteriology) A bacteriocin produced by Listeria innocua.listeriolysinAny hemolysin produced by a Listeria bacteriumlitation(rare, obsolete) sacrificeliteralisationAlternative form of literalization.literalizationThe act or process of literalizing.literationThe use of letters to represent sounds, words, etc., in a language.litfan(fandom slang) A science fiction fan primarily interested in written science fiction.lithen(archaic) To make lithe, soften; to ease, mitigatelithian(mineralogy) Containing lithium.lithiation(chemistry) reaction with lithium or an organolithium compoundlithifactionSynonym of lithification (“the compaction and cementation of sediment into rock”).lithification(geology) The compaction and cementation of sediment into rock.lithokelyphopedionA lithopedion in which both fetus and sac are calcified.lithopaedionAlternative form of lithopedion.lithopedianMisspelling of lithopedion.lithopedion(medicine) A calcium-encased foetus that occurs in ectopic abdominal pregnancies when the foetus dies and is not reabsorbed by the maternal body, whereby the maternal system encases the foreign body (foetus) in calcium to isolate it.lithophyton(obsolete) Coral.lithostatinAlternative form of lithostathine.lithostrotianAny titanosaur of the taxon Lithostrotialithotecnon(medicine) The true form of a lithopedion, in which the fetus itself is calcified.lithozonationArrangement or distribution into lithozones.lithsman(historical) A warrior-sailor during the rule of Danish kings of England (especially from Canute onwards).litigation(law) The conduct of a lawsuit.litigonAn animal born to a male lion and a female tigon.litogen(US, informal, law) Any drug or similar substance, administered during pregnancy, that though probably harmless can lead to lawsuitslitoptern(zoology) An extinct hoofed mammal of the order †Litopterna, from the Cenozoic period.litorin(biochemistry) A nonapeptide with composition L-pyroglutamyl-L-glutaminyl-L-tryptophyl-L-alanyl-L-valyl-glycyl-L-histidyl-L-phenylalanyl-L-methioninamide.litracenA tricyclic antidepressant drug, never marketed.litten(archaic) past participle of lightlitterbinAlternative form of litter bin.littleinAlternative form of littlun.littlun(informal) Little one; a child or a young animal.littoralizationThe tendency for economic development, urbanization etc to cluster along a coastlinelittorarian(zoology) Any sea snail in the genus Littoraria, which are a genus of periwinkles.liturgicianA student of liturgies or liturgics.liven(ambitransitive) To cause to be more lively, or to become more lively.liverymanSomeone who works in a livery stable.liverymenplural of liverymanliverywomanA female member of a livery company.livescanA system for electronically and inklessly recording fingerprints.livetin(biochemistry) A protein found in egg yolk.livication(Rastafari) dedicationlividomycin(pharmacology) An aminoglycoside antibiotic.livin(biochemistry) A particular protein that inhibits apoptosislivraisonA part of a serial issued from time to time.liwanA long, narrow-fronted hall or vaulted portal found in Levantine homes, often open to the outside.lixivaptanA certain vaptan drug proposed for the treatment of hyponatremia, particularly in patients with conditions such as liver cirrhosis or congestive heart failure.lixivationMisspelling of lixiviation.lixiviationThe process of lixiviating.lizardman(fantasy) An intelligent human-like reptile who walks on hind legs and speaks and dresses similar to humans.lizardskinThe skin of a lizard, or leather made from it.lluellinAlternative form of fluellin.llynAn upland lake in Wales.lnAbbreviation of lane.loaden(transitive, chiefly dialectal) To charge or burden with a load; to burden or freightloadsmanObsolete spelling of lodesman (“pilot”).loan(law, banking, finance) An act or instance of lending, an act or instance of granting something for temporary use.loanin(Geordie) Alternative spelling of lonnen.lobaplatin(pharmacology) A platinum compound.lobationThe quality of having lobes.lobbyman(dated) A male lobbyist.lobefinAny of the fish of the class Sarcopterygii.lobelin(medicine, organic chemistry) A yellowish-green resin from the lobelia, used as an emetic and diaphoretic.lobopodianOf or pertaining to the lobopodslobotomisationAlternative spelling of lobotomization.lobotomizationPerforming a lobotomy, the act of lobotomizing.lobstermanA fisherman (male or female) for lobsters.lobsterpersonA person who fishes for lobster.lobsterwomanA female fisher for lobsters, Female equivalent of lobsterman.lobularizationThe formation and development of lobuleslobulation(pathology) The presence of lobules (in a place where there are normally none)lobuprofen(pharmacology) A nonsteroidal anti-inflammatory drug.localisationAlternative spelling of localization.localizationThe act of localizing.locationA particular point or place in physical space.lochan(Scotland) A small loch (lake)locinA particular steroid glycoside.lockdown(US) A contrivance to fasten logs together in rafting.locken(Scotland, Northern England or obsolete) past participle of locklockermanA person in charge of a refrigerated storage locker.lockinAlternative form of lock-in.lockman(Scotland, archaic) A public executioner.lockpin(chiefly aviation) A pin used to lock a mechanism and prevent it from moving.lockscreenAlternative form of lock screen.locksmanA man who operates a lock on a river or canal.locoablationlocal ablation (as a therapy)locoman(rail transport, dated) Someone who works on a locomotive.locomotion(uncountable) The ability to move from place to place, or the act of doing so.locomotiveman(rail transport) A driver of a locomotive.locomutation(rare) Change of place; moving from place to place.locon(physics) A localized vibrationlocostatin(medicine) The drug 1-oxo-2-butenyl]-4-(phenylmethyl)-2-oxazolidinone that inhibits cell migrationlocotrophozoanMisspelling of lophotrochozoan.locsiton(physics) A form of exciton that has only a local effect.locticianA hairdresser who styles the hair into dreadlocks.loculation(medicine) The localized failure of a region to drain fluids, resulting in an enlarged mass.locutionA phrase or expression peculiar to or characteristic of a given person or group of people.lodenA thick waterproof cloth used for garments.lodesman(historical, nautical) A pilot; navigator.loessificationThe process by which non-loess ground becomes loess ground; the process of loess deposit formation; the transformation of a silty deposit into loess.loflucarbanAn antiinfective drug.loftsmanA draftsman who uses the lofting technique.loftsmenplural of loftsmanloganA rocking or balanced stone.loganin(organic chemistry) An iridoid glycoside first isolated from the plant family Loganiaceae, and formed from loganic acid by the enzyme loganic acid O-methyltransferase (LAMT).logarithmisation(UK) Alternative spelling of logarithmization.logarithmization(US) The action, or the result of logarithmizinglogganAlternative form of logan (“balanced stone”).logicalizationThe process of logicalizing.logicianA person who studies or teaches logic.logificationThe application of a logical framework to a conceptlogin(computing) Credentials: the combination of a user's identification and password used to enter a computer, program, network, etc.logion(theology) A traditional saying of a religious leader.logisticianA person involved with logistics.logitianObsolete form of logician.logmanA man employed to carry or transport logs.logmenplural of logmanlogogen(linguistics) A unit of word recognition, encapsulating a variety of properties about a given word, such as its appearance, sound, and meaning.logon(computing) credentials: the combination of a user's identification and password used to enter a computer.loinThe part of the body (of humans and quadrupeds) at each side of the backbone, between the ribs and hips.loinskinA garment, made of animal skin, that covers the loins (crotch).lokiarchaeonAny archaeon of the phylum LokiarchaeotalokshenFlat egg noodles from Yiddish cuisine.lolbertarian(US politics, Internet slang, derogatory) A libertarian.lolfan(fandom slang) A fan whose appreciation of something (generally a book, movie, or television show) is mainly ironic.lolicon(uncountable, Japanese fiction) Attraction (often erotic) to fictional depictions of young, typically prepubescent girls.lolikonAlternative spelling of lolicon.lomefloxacin(pharmacology) A fluoroquinolone antibiotic.lomeinAlternative form of lo mein (“Chinese noodle dish”).lomofunginThe antibiotic methyl 6-formyl-4,7-dihydroxy-9-oxo-5H-phenazine-1-carboxylatelon(geography) Clipping of longitude.lonapegsomatropinA prodrug of somatropin, used to treat growth hormone deficiency.longanAn evergreen tree, Dimocarpus longan, of the Sapindaceae family, native to southern China.longboatmanThe man in charge of a longboat.longbowmanAn archer who uses a longbow.longbowsmanAlternative form of longbowman.longeronA thin strip of wood or metal, to which the skin of an aircraft is fastened.longfinAny member of the family Plesiopidae of elongated perciform fish.longhornA breed of beef cattle, having long horns, bred in Texas and other parts of southwest United States.longicorn(zoology) Long-horned.longipin(organic chemistry) A particular melampolide found in Melampodium longipes.longjohnAlternative form of long-john.longshoreman(US) A man employed to load and unload ships; any person thus employed.longshoremenplural of longshoremanlongshorepersonA longshoreman or longshorewoman.longshorewomanA woman employed to load and unload ships; a female longshoreman.longspunlong-winded; tedious; excessively longlonicerin(biochemistry) A flavonoid found in Lonicera plants.lonnen(Geordie) A lane or street.lonnin(Geordie, Cumberland, dialect) A lane.looderamawnAlternative form of loodheramaun.loodheramaun(Ireland) A big, lazy man; a loafer.loogan(US slang, dated) A fool.lookdownAn oddly-shaped Atlantic marine fish, Selene vomer.loon(Ireland, historical) An English soldier of an expeditionary army in Ireland.loonybinAlternative form of loony binloonytarian(US, slang, derogatory) A libertarian.loosen(transitive) To make loose.lopen(Bhutan) A teacher or master.lophocratianAny pterosaur of the genus Lophocratialophosteon(anatomy, archaic) The central keel-bearing part of the sternum in birds.lophotrochozoan(zoology) Any protostome animal of the superphylum Lophotrochozoa.lophyrotominA toxic oligopeptide present in sawflies of the genus LophyrotomaloraxanthinA particular carotenoid.lorcaserin(organic chemistry, pharmacology) A serotonergic and anorectic drug, C₁₁H₁₄ClN.lordkinA little, or unimportant, lord.lorentzianAlternative letter-case form of Lorentzian.loresman(now rare) An instructor or teacher of traditional wisdom.lorgnon(archaic) lorgnette, opera glassloricatanAny crocodylian of the clade Loricata.loricationThe act of loricating (coating metal pipes etc.).loriciferan(zoology) Any of several marine animals of the phylum Loricifera.loricrinA major protein component of the cornified cell envelope found in terminally differentiated epidermal cells.lorn(obsolete) Doomed; lost.loroxanthin(organic chemistry) A particular carotenoid.lorrymanA person employed to operate a lorry (cart or wagon for transporting coke etc.).losartan(pharmacology) An antihypertensive drug that is taken orally in the form of its potassium salt C₂₂H₂₂ClKN₆O and blocks the action of the physiologically active form of angiotensin.losmenAn Indonesian hostel.lotaustralin(biochemistry) A cyanogenic glucoside found in Lotus australis and other plants, structurally related to linamarin.lotionA low- to medium-viscosity topical preparation intended for application to unbroken skin.lotrafiban(pharmacology) An antiplatelet drug.lotrifenA particular heterocyclic compound.loudenTo become louder.lougheen(Ireland) A small lough.loun(UK dialectal, chiefly Northern England) To beat; thrash.loureirin(organic chemistry) Any of a group of isomeric aromatic ketones, 1-(4-hydroxyphenyl)-3-(2,4,6-trimethoxyphenyl)propanone, found in dragon's blood.lovastatin(pharmacology) A statin that inhibits the synthesis of cholesterol.lovechildrenplural of lovechildlovekinA term of endearment for a lover or sweetheart.lovelornAbandoned or forsaken by one's lover; having constant bad luck in romance; desperate for love.lovermanA man who is skilled at making love.lovespoonAlternative spelling of love spoon.lowanSynonym of mallee fowl.lowbornAlternative spelling of low-born.lowdowninside information, the story or truth.lowen(rare, ambitransitive) To make or become low.lowerclassman(US) Synonym of underclassman.lowerclassmenplural of lowerclassmanlown(Scotland) Calm, tranquillity.loxoprofen(pharmacology) A nonsteroidal anti-inflammatory drug derived from propionic acid.loxygenLiquid oxygen.loyalisationNon-Oxford British spelling of loyalization.loyalizationThe process or result of loyalizing.luanAlternative spelling of lauan.lubimin(organic chemistry) A particular vetispirane.lubricationThe application of a substance (lubricant) between moving surfaces in contact in order to reduce friction and minimize heating.lubricin(biochemistry) Any of a class of water-soluble glycoproteins that provide lubrication to articular cartilage.lubrifaction(obsolete) Lubrication.lubrification(rare) lubricationlucenin(organic chemistry) Either of two isomeric luteolin flavone glucosides found in sunflowerslucentamycinAny of a group of cytotoxic derivatives of ethylideneproline isolated from the actinomycete Nocardiopsis lucentensislucernAlternative form of lucerne (the plant alfalfa)lucernarian(zoology, obsolete) Of or relating to the former subclass Lucernarida, roughly equivalent to order Stauromedusae.luciaminA particular steroid glycoside.lucibufagina defensive steroid produced by several species of firefly to make them unpalatable to predators.lucidin(organic chemistry) The genotoxic anthraquinone 1,3-dihydroxy-2-(hydroxymethyl)anthracene-9,10-dioneluciferin(biochemistry) Any of a class of polycyclic heterocycles that are responsible for the bioluminescence of fireflies, being converted to oxyluciferin by luciferase in the process.lucigen(historical) A kind of oil lamp using compressed air.lucigenin(biochemistry) An aromatic compound, bis-N-methylacridinium nitrate, that exhibits a bluish-green fluorescence.lucimycin(pharmacology) A macrolide antibiotic synthesized by the bacterium Streptomyces lucensis, belonging to the group of polyene antimycotics.lucinigenA dye that is fluorescent when oxidisedlucisporidianAny slime mold of the superorder LucisporidialuctationEffort to overcome in contest; struggle; endeavour.lucubrationIntense and prolonged study or meditation; especially, late at night.lucumin(organic chemistry) A disaccharide derivative and glycoside, C₁₉H₂₅NO₁₀ that is found in Pouteria sapota.ludificationDerision; mockery.luepeptinMisspelling of leupeptin.luetin(medicine, historical) An antigen preparation from Treponema, used in a cutireaction test for syphilis.lufaxin(biochemistry) A protein in the saliva of sand flieslufenuronA benzoylurea pesticide used in veterinary medicine.luffinA toxic ribosome inactivating protein derived from Luffa seeds.luliberinGonadotropin-releasing hormonelumasiranA drug for the treatment of primary hyperoxaluria type 1.lumbalizationAlternative form of lumbarization.lumbarizationA spinal anomaly in which the first and second segments of the sacrum do not fuse, and consequently the lumbar spine appears to have six vertebrae or segments, not five, while the sacrum appears to have only four.lumbermanA man involved in the production or sale of lumber; a lumberjack or logger.lumbermenplural of lumbermanlumberwomanA woman involved in the production or sale of lumber; a female lumberjack or logger.lumefantrinAlternative form of lumefantrine.lumen(anatomy) The cavity or channel within a tube or tubular organ.lumenization(biology) The formation of lumenslumican(biochemistry) The major keratin sulfate proteoglycan of the cornea.lumiflavin(organic chemistry) A toxic flavin produced by the action of light on vitamin B2.luminacin(organic chemistry) Any of a particular group of angiogenesis inhibitors isolated from an actinomycete.lumination(rare) Illumination; specifically, artificial illumination.luminogenAny atom or molecule which, when added to a crystal, causes it to luminesce or fluoresceluminopsin(biochemistry) A bioluminescent opsinlumirhodopsin(organic chemistry) A pigment formed when rhodopsin is irradiated with light; it undergoes further degradation to retinal and opsinlumirubinA structural isomer of bilirubin, formed during phototherapy used to treat neonatal jaundice.lumogallion(organic chemistry) A fluorimetric reagent, 5-chloro-2-hydroxy-3-[(2Z)-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzenesulfonic acid, for the detection of aluminum, gallium and other metalslumpenOf or relating to social outcasts.lumpenproletarian(Marxism) Of or pertaining to the lumpenproletariat.lumpkinA clumsy, heavy, stupid, silly or blundering person.lumpman(historical) A worker in salt production who shaped the salt into lumps as it dried.lun(Newfoundland, UK regional) Alternative form of lown.lunarianAlternative letter-case form of Lunarian.lunasin(biochemistry) A peptide that is present in soy and some other cereal grains and may have some anticancer propertieslunatin(organic chemistry) 3-methoxy-1,6,8-trihydroxyanthraquinone, an antibacterial anthraquinone derivative.lunationA month of an average of approximately 29.53 days, measured from a lunar phase until the return of that same phase.luncheonA formal meal served in the middle of the day.lunganAlternative spelling of longan.lupanarianPertaining to a brothel or prostitution; characteristic of illicit sexual desire or activity.lupinAny member of the genus Lupinus in the family Fabaceae.lupinacidin(organic chemistry) Any of a group of anthraquinone derivatives, present in Micromonospora lupini, that inhibit tumour growthlupinarianAlternative spelling of lupanarian.lupinin(organic chemistry) A glucoside found in the seeds of several species of lupine.lupophonA woodwind instrument like an oboe.lupronSynonym of leuprolide.lupulin(botany) Small hairs obtained from the strobili of the hop plant.lurbinectedinA particular drug used to inhibit the growth of ovarian cancer.lurdanAlternative spelling of lurdane.lurdenAlternative spelling of lurdane.lurkman(archaic or Australia) A conman.lurosetron(pharmacology) A serotonin 5-HT₃ receptor antagonist.lurryman(mining) One who handles or manages a lurry.lurtotecanAn analogue of camptothecin.luseogliflozin(pharmacology) The thioglycoside 1,5-anhydro-1-(5-(4-ethoxybenzyl)-2-methoxy-4-methylphenyl)-1-thioglucitol that is used to treat diabeteslusernAlternative form of lucern (“lynx”).lushen(ambitransitive, rare) To make or become lush or lusciouslusitanizationThe act or process of making Portuguese or more Portuguese-like.lustration(religion) A rite of purification, especially washing.lutationThe act or method of luting vessels, of cementing vessels using lute (the material)lutecian(mineralogy) Containing lutetium.lutein(organic chemistry) A yellow carotenoid pigment, widely distributed in both plants and animals.luteinisationAlternative form of luteinization.luteinization(physiology) The formation of the corpus luteum from a mature ovarian follicle.luteninA phytosterol found in the passionflower.luteolin(organic chemistry) A particular flavone, found in many vegetables, that functions as an antioxidantluteoskyrinA hepatotoxin produced by Penicillium islandicum.luteotrophinAlternative form of luteotropin.luteotropin(biochemistry) Prolactin; a peptide gonadotrophic hormone secreted by the pituitary gland that stimulates growth of the mammary glands and lactation in females.luteoxanthin(organic chemistry) A particular carotenoid.luthern(architecture) A dormer-window.lutrophinAlternative form of lutropin.lutropinluteinizing hormoneluvangetin(organic chemistry) An organic compound with chemical formula C₁₅H₁₄O₄, found in Luvanga scandens.luxation(medicine) The act of luxating, or the state of being luxated; a dislocation or displacement.luxon(physics) Any particle that travels at exactly the speed of light and has zero mass: typically a photon.luxuriationThe act of enjoying or experiencing luxury.luzernAlternative spelling of lusern.lycaonAn eastern wolf or Algonquin wolf of Canis lycaon or subspecies Canis lupus lycaon.lycopinA resinous extract of Lycopus virginicus, formerly used as an internal hemostatic.lycopodinAn alcoholic extract of the Lycopodium plant, used in alternative medicinelycotoxinAny of a group of peptidic toxins present in the venom of wolf spiders of the genus Lycosa.lycoxanthin(organic chemistry) A particular carotenoid.lydion(historical) A kind of Ancient Greek vase of Lydian origin: a small spherical perfume container without handles.lyerman(zoology, archaic) The cicada.lyginopteridalean(botany) Any of the order Lyginopteridales of archetypal pteridosperms.lymphangionThe functional unit of a lymph vessel, lying between two semilunar valves.lymphoablationSevere lymphosuppressionlymphoaccumulation(pathology) The accumulation of lymphlymphocytotoxinA toxin that has a specific destructive action on lymphocytes.lymphodepletion(medicine) The destruction of lymphocytes and T cells, normally by irradiation, prior to immunotherapylymphoinvasion(pathology) invasion (spread of a disease etc) to lymphatic tissuelymphopoietin(biochemistry) A cytokine protein involved in T cell maturation.lymphoproliferation(medicine) The excessive production of lymphocytes.lymphoproloferationMisspelling of lymphoproliferation.lymphoprotein(biochemistry) Any protein associated with the lymph systemlymphostatin(biochemistry) A toxic bacterial protein that inhibits mitogen-activated proliferationlymphosuppressionSuppression of lymphocyte productionlymphotactinA particular small chemokinelymphotoxinAny of several lymphokines that are toxic to certain cellslynAlternative form of linn (“waterfall”).lynceanlynx (attributive)lynchpinAlternative form of linchpin.lyncomicinMisspelling of lincomycin.lyngbyatoxinA blistering agent produced by Moorea producens (formerly Lyngbya majuscula) and possibly other cyanobacteria.lyonObsolete spelling of lion.lyonizationThe inactivation of an X chromosome during the embryonic development of a female.lyophilisationAlternative spelling of lyophilization.lyophilizationSynonym of freeze-drying.lyopreservationpreservation by means of lyophilizationlypophosphoglycanMisspelling of lipophosphoglycan.lypressinThe synthetic hormone lysine vasopressin (LVP) that is a form of the naturally occurring antidiuretic hormone (vasopressin) found in pigs.lyremanSynonym of cicada.lyricizationThe act or process of lyricizing.lyricon(computing) A form of earcon or musicon that incorporates musically intoned speech.lysenin(biochemistry) Any of a class of proteins, from the coelomic fluid of the earthworm Eisenia foetida, that induce erythrocyte lysis.lysinany substance or antibody that can cause the destruction (by lysis) of blood cells, bacteria etclysinylation(biochemistry) Reaction (typically of a phospholipid) with lysinelysobactin(medicine) katanosinlysocardiolipin(biochemistry) A cardiolipin that lacks an acyl grouplysogen(biology) A phage that can exist as a prophage within its host organism.lysogenisationAlternative form of lysogenization.lysogenizationConversion into a lysogenic formlysolecithin(organic chemistry) Any lysophospholipid derived from lecithin.lysorophianAny extinct, snakelike tetrapod of the order †Lysorophialysosphingomyelin(organic chemistry) Any derivative of sphingomyelin in which one or both acyl derivatives have been removed by hydrolysis.lysostaphin(organic chemistry) An antibiotic obtained from Staphylococcus simulans.lysylation(organic chemistry) reaction with a lysyl grouplyterian(medicine, obsolete, rare) Of or pertaining to lysislyxoflavin(biochemistry) A stereoisomer of riboflavin, found in small amounts in the cardiac muscle.