Glossary · MWE Terms · L
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TermTypeDefinitionClassificationsUpdated
Lower Respiratory Tract SmearnounMWEany of several cytologic smears obtained from different parts of the lower respiratory tractverified
Lower-Case LetternounMWEthe characters that were once kept in bottom half of a compositor's type caseverified
Lowest Common MultiplenounMWEthe smallest multiple that is exactly divisible by every member of a set of numbersverified
Lowland Burrowing TreefrognounMWEterrestrial burrowing nocturnal frog of grassy terrain and scrub forests having very hard upper surface of headverified
Lowland FirnounMWElofty fir of the Pacific coast of northwestern America having long curving branches and deep green leavesverified
Lowland White FirnounMWElofty fir of the Pacific coast of northwestern America having long curving branches and deep green leavesverified
Lubber's HolenounMWEhole in a platform on a mast through which a sailor can climb without going out on the shroudsverified
Lubricating SubstancenounMWEa substance capable of reducing friction by making surfaces smooth or slipperyverified
Lubricating SystemnounMWEmechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearingsverified
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
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
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
Lungless SalamandernounMWEmostly terrestrial salamanders that breathe through their thin moist skinverified
Lunitidal IntervalnounMWEinterval between the moon's transit of a particular meridian and the next high tide at that meridianverified
Lupus ErythematosusnounMWEa chronic inflammatory collagen disease affecting connective tissue (skin or joints)verified
Lymph CellnounMWEan agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infectionverified
Lymph VesselnounMWEa vascular duct that carries lymph which is eventually added to the venous blood circulationverified
Lymphatic SystemnounMWEthe interconnected system of spaces and vessels between body tissues and organs by which lymph circulates throughout the bodyverified
Lymphatic VesselnounMWEa vascular duct that carries lymph which is eventually added to the venous blood circulationverified
Lymphoblastic LeukemianounMWEa form of lymphocytic leukemia in which the abnormal cells in the circulating blood are almost totally lymphoblastsverified
Lymphocytic ChoriomeningitisnounMWEa form of viral meningitis caused by a virus carried by the common house mouseverified
Lymphocytic Choriomeningitis VirusnounMWEthe RNA virus that causes lymphocytic choriomeningitisverified
Lymphocytic LeukemianounMWEleukemia characterized by enlargement of lymphoid tissues and lymphocytic cells in the circulating bloodverified
Lymphogranuloma VenereumnounMWEinfectious disease caused by a species of chlamydia bacteriumverified