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Glossary · Nouns · L

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TermTypeDefinitionClassificationsUpdated
Lanounthe syllable naming the sixth (submediant) note of a major or minor scale in solmizationverifiedMay 18, 2026
Laagernouna camp defended by a circular formation of wagonsverifiedMay 18, 2026
Labnouna workplace for the conduct of scientific researchverifiedMay 18, 2026
Lab BenchnounMWEa workbench in a laboratoryverifiedMay 18, 2026
Lab CoatnounMWEa light coat worn to protect clothing from substances used while working in a laboratoryverifiedMay 18, 2026
Labanotationnouna system of notation for dance movements that uses symbols to represent points on a dancer's body and the direction of the dancer's movement and the tempo and the dynamicsverifiedMay 18, 2026
Labdanumnouna soft blackish-brown resinous exudate from various rockroses used in perfumes especially as a fixativeverifiedMay 18, 2026
Labelnouna radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reactionDataMay 18, 2026
Label ShiftnounMWEUnder label shift, the label distribution p(y) might change but the class-conditional distributions p(x|y) do not. ... We work with the label shift assumption, i.e., ps(x|y) = pt(x|y)VulnerabilityMay 18, 2026
Labeled Security ProtectionsnounMWEAccess control protection features of a system that use security labels to make access control decisions.ControlRegulatedMay 12, 2026
Labetalolnounantihypertensive drug (trade names Trandate and Normodyne) that blocks alpha and beta-adrenergic receptors of the sympathetic nervous system (leading to a decrease in blood pressure)verifiedMay 18, 2026
Labia MajoranounMWEthe two outer folds of the vulvaverifiedMay 18, 2026
Labia MinoranounMWEthe two inner folds of the vulvaverifiedMay 18, 2026
Labial ArterynounMWEan artery that is a branch of the facial artery that supplies the lips of the mouthverifiedMay 18, 2026
Labial ConsonantnounMWEa consonant whose articulation involves movement of the lipsverifiedMay 18, 2026
Labial PipenounMWEorgan pipe whose tone is produced by air passing across the sharp edge of a fissure or lipverifiedMay 18, 2026
Labial StopnounMWEa stop consonant that is produced with the lipsverifiedMay 18, 2026
Labiodentalnouna consonant whose articulation involves the lips and teethverifiedMay 18, 2026
Labiodental ConsonantnounMWEa consonant whose articulation involves the lips and teethverifiedMay 18, 2026
Labiumnouna liplike structure that bounds a bodily orifice (especially any of the four labiate folds of a woman's vulva)verifiedMay 18, 2026
Labor AgreementnounMWEcontract between labor and management governing wages and benefits and working conditionsverifiedMay 18, 2026
Labor CampnounMWEa penal institution for political prisoners who are used as forced laborverifiedMay 18, 2026
Labor CoachnounMWEan assistant (often the father of the soon-to-be-born child) who provides support for a woman in labor by encouraging her to use techniques learned in childbirth-preparation classesverifiedMay 18, 2026
Labor ContractnounMWEcontract between labor and management governing wages and benefits and working conditionsverifiedMay 18, 2026
Labor ForcenounMWEthe source of trained people from which workers can be hiredverifiedMay 18, 2026
Labor LeadernounMWEa leader of a labor movementverifiedMay 18, 2026
Labor MarketnounMWEthe market in which workers compete for jobs and employers compete for workersverifiedMay 18, 2026
Labor MovementnounMWEan organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movementverifiedMay 18, 2026
Labor of LovenounMWEproductive work performed voluntarily without material reward or compensationverifiedMay 18, 2026
Labor OrganizernounMWEsomeone who enlists workers to join a unionverifiedMay 18, 2026
Labor PainnounMWEpain and discomfort associated with contractions of the uterus during laborverifiedMay 18, 2026
Labor PartynounMWEa left-of-center political party formed to represent the interest of ordinary working peopleverifiedMay 18, 2026
Labor PoolnounMWEthe source of trained people from which workers can be hiredverifiedMay 18, 2026
Labor ResourcesnounMWEresources of available manpowerverifiedMay 18, 2026
Labor UnionnounMWEan organization of employees formed to bargain with the employerverifiedMay 18, 2026
Laboratorynouna region resembling a laboratory inasmuch as it offers opportunities for observation and practice and experimentationverifiedMay 18, 2026
Laboratory AttacknounMWEUse of sophisticated signal recovery equipment in a laboratory environment to recover information from data storage media.ThreatRegulatedCUIMay 9, 2026
Laboratory BenchnounMWEa workbench in a laboratoryverifiedMay 18, 2026
Laboratory CoatnounMWEa light coat worn to protect clothing from substances used while working in a laboratoryverifiedMay 18, 2026
Laborernounsomeone who works with their handsverifiedMay 18, 2026
Laboriousnessnounthe quality of requiring extended effortverifiedMay 18, 2026
Labour CampnounMWEa penal institution for political prisoners who are used as forced laborverifiedMay 18, 2026
Labour of LovenounMWEproductive work performed voluntarily without material reward or compensationverifiedMay 18, 2026
Labour PainsnounMWEa regularly recurrent spasm of pain that is characteristic of childbirthverifiedMay 18, 2026
Labour PartynounMWEa left-of-center political party formed to represent the interest of ordinary working peopleverifiedMay 18, 2026
Labourernounsomeone who works with their handsverifiedMay 18, 2026
Labrocytenouna large connective tissue cell that contains histamine and heparin and serotonin which are released in allergic reactions or in response to injury or inflammationverifiedMay 18, 2026
Labyrinthnouncomplex system of paths or tunnels in which it is easy to get lostverifiedMay 18, 2026
Labyrinthine ArterynounMWEan artery that is a branch of the basilar artery that supplies the labyrinthverifiedMay 18, 2026
Labyrinthine SensenounMWEa sensory system located in structures of the inner ear that registers the orientation of the headverifiedMay 18, 2026
Labyrinthine VeinnounMWEveins that drain the inner earverifiedMay 18, 2026
Labyrinthitisnouninflammation of the inner earverifiedMay 18, 2026
Labyrinthodontnounan amphibian of the superorder LabyrinthodontiaverifiedMay 18, 2026
Lacnounresinlike substance secreted by certain lac insectsverifiedMay 18, 2026
Lac DyenounMWEscarlet dye like cochinealverifiedMay 18, 2026
Lac WaxnounMWEa hard wax separated from shellac by its insolubility in alcoholverifiedMay 18, 2026
Lace BugnounMWEsmall bug having body and wings covered with a lacy network of raised linesverifiedMay 18, 2026
Lace FernnounMWEsmall tufted fern of northwestern AmericaverifiedMay 18, 2026
Lace MakingnounMWEthe act or art of making handmade laceverifiedMay 18, 2026
Lace-Flower VinenounMWElow-growing creeping perennial of Central America having deeply fringed white flowersverifiedMay 18, 2026
Lacebarknounsmall tree or shrub of New Zealand having a profusion of axillary clusters of honey-scented paper-white flowers and whose bark is used for cordageverifiedMay 18, 2026
Lacepodnounannual herb having pinnatifid basal leaves and slender racemes of small white flowers followed by one-seeded winged siliclesverifiedMay 18, 2026
Lacernouna workman who laces shoes or footballs or books (during binding)verifiedMay 18, 2026
Lacerationnounthe act of laceratingverifiedMay 18, 2026
LacertidnounOld World terrestrial lizardverifiedMay 18, 2026
Lacertid LizardnounMWEOld World terrestrial lizardverifiedMay 18, 2026
Lacewingnounany of two families of insects with gauzy wingsverifiedMay 18, 2026
Lacewing FlynounMWEany of two families of insects with gauzy wings (Chrysopidae and Hemerobiidae)verifiedMay 18, 2026
Lacewoodnounvariably colored and sometimes variegated hard tough elastic wood of a sycamore treeverifiedMay 18, 2026
Laceworknounwork consisting of, or resembling, lace fabricverifiedMay 18, 2026
Lachrymal DuctnounMWEany of several small ducts that carry tears from the lacrimal glandsverifiedMay 18, 2026
Lachrymal GlandnounMWEany of the glands in the eyes that secrete tearsverifiedMay 18, 2026
Lachrymal SecretionnounMWEsaline fluid secreted by lacrimal glandsverifiedMay 18, 2026
Lachrymationnounshedding tearsverifiedMay 18, 2026
Lachrymatornouna gas that makes the eyes fill with tears but does not damage themverifiedMay 18, 2026
Lacingnouna cord that is drawn through eyelets or around hooks in order to draw together two edges (as of a shoe or garment)verifiedMay 18, 2026
Lackeynouna person who tries to please someone in order to gain a personal advantageverifiedMay 18, 2026
Laconicismnounterseness of expressionverifiedMay 18, 2026
Laconismnounterseness of expressionverifiedMay 18, 2026
Lacquer TreenounMWEsmall Asiatic tree yielding a toxic exudate from which lacquer is obtainedverifiedMay 18, 2026
Lacquerwarenouna decorative work made of wood and covered with lacquer and often inlaid with ivory or precious metalsverifiedMay 18, 2026
Lacrimal ApparatusnounMWEthe structures that secrete and drain tears from the eyeverifiedMay 18, 2026
Lacrimal ArterynounMWEan artery that originates from the ophthalmic artery and supplies the lacrimal gland and rectal eye muscles and the upper eyelid and the foreheadverifiedMay 18, 2026
Lacrimal BonenounMWEsmall fragile bone making up part of the front inner walls of each eye socket and providing room for the passage of the lacrimal ductsverifiedMay 18, 2026
Lacrimal DuctnounMWEany of several small ducts that carry tears from the lacrimal glandsverifiedMay 18, 2026
Lacrimal GlandnounMWEany of the glands in the eyes that secrete tearsverifiedMay 18, 2026
Lacrimal SacnounMWEeither of the two dilated ends of the lacrimal ducts at the nasal ends of the eyes that fill with tears secreted by the lacrimal glandsverifiedMay 18, 2026
Lacrimal SecretionnounMWEsaline fluid secreted by lacrimal glandsverifiedMay 18, 2026
Lacrimal VeinnounMWEdrains the lacrimal glandverifiedMay 18, 2026
Lacrimationnounshedding tearsverifiedMay 18, 2026
Lacrimatornouna gas that makes the eyes fill with tears but does not damage themverifiedMay 18, 2026
Lacrossenouna game invented by American IndiansverifiedMay 18, 2026
Lacrosse BallnounMWEball used in playing lacrosseverifiedMay 18, 2026
Lacrosse PlayernounMWEan athlete who plays lacrosseverifiedMay 18, 2026
Lactalbuminnounalbumin occurring in milkverifiedMay 18, 2026
Lactasenounany of a group of enzymes (trade name Lactaid) that hydrolyze lactose to glucose and galactoseverifiedMay 18, 2026
Lactase DeficiencynounMWEcongenital disorder consisting of an inability to digest milk and milk productsverifiedMay 18, 2026
Lactationnounthe production and secretion of milk by the mammary glandsverifiedMay 18, 2026
Lactic AcidnounMWEa clear odorless hygroscopic syrupy carboxylic acid found in sour milk and in many fruitsverifiedMay 18, 2026
Lactiferous DuctnounMWEducts of the mammary gland that carry milk to the nippleverifiedMay 18, 2026