Glossary · Nouns · L
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TermTypeDefinitionClassificationsUpdated
Lucifernounlighter consisting of a thin piece of wood or cardboard tipped with combustible chemicalverified
Lucknounan unknown and unpredictable phenomenon that causes an event to result one way rather than anotherverified
Lucky DipnounMWEa game in which prizes (e.g., candies or coins) are concealed in a container and for a small sum a player can draw one out at randomverified
Lucrenounthe excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses)verified
Luffanounany of several tropical annual climbers having large yellow flowers and edible young fruitsverified
Lug WrenchnounMWEa wrench with jaws that have projecting lugs to engage the object that is to be rotatedverified
Luggage CompartmentnounMWEcompartment in an automobile that carries luggage or shopping or toolsverified
Luggage RacknounMWEcarrier for holding luggage above the seats of a train or on top of a carverified
Lumbar ArterynounMWEone of four or five pairs of arteries that originate in the abdominal aorta and supply the lumbar vertebrae and the back muscles and abdominal wallverified
Lumbar NervenounMWEany of five pairs of spinal nerves emerging from the lumbar section of the spinal cordverified
Lumbar PlexusnounMWEa plexus of nerves formed by the ventral branches of the first four lumbar nervesverified
Lumbar PuncturenounMWEremoval by centesis of fluid from the subarachnoid space of the lumbar region of the spinal cord for diagnostic or therapeutic purposesverified
Lumbar VeinnounMWEveins that drain the posterior body wall and the lumbar vertebral venous plexusesverified
Lumber RoomnounMWEa storeroom in a house where odds and ends can be stored (especially furniture)verified
Lumbosacral PlexusnounMWEa nerve plexus formed by the ventral divisions of the coccygeal and sacral and lumbar nervesverified
Lumbusnouneither side of the backbone between the hipbone and the ribs in humans as well as quadrupedsverified
Lumennouna unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directionsverified
Luminismnounan artistic movement in the United States that was derived from the Hudson River schoolverified
Lumpectomynounsurgical removal of a tumor without removing much of the surrounding tissue or lymph nodesverified
Lumpenproletariatnoun(Marxism) the unorganized lower levels of the proletariat who are not interested in revolutionary advancementverified
Lumpernouna taxonomist who classifies organisms into large groups on the basis of major characteristicsverified
Lumpfishnounclumsy soft thick-bodied northern Atlantic fish with pelvic fins fused into a suckerverified
Luna MothnounMWElarge pale-green American moth with long-tailed hind wings and a yellow crescent-shaped mark on each forewingverified
Lunar DaynounMWEthe period of time taken for the moon to make one full rotation on its axis (about 27.3 sidereal days)verified
Lunar Excursion ModulenounMWEa spacecraft that carries astronauts from the command module to the surface of the moon and backverified
Lunar ModulenounMWEa spacecraft that carries astronauts from the command module to the surface of the moon and backverified
Lunatic FringenounMWEa political group or assortment of groups with extreme and fanatical viewsverified