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a variable retrovirus that invades and inactivates helper T cells of the immune system and is a cause of AIDS and AIDS-related complex: variants were identified in several laboratories and independently named lymphadenopathy-associated virus (LAV) human T-cell lymphotropic virus type 3 (HTLV-3) and AIDS-related virus (ARV) the name human immunodeficiency virus (HIV) being subsequently proposed by an international taxonomy committee.
(Brit, informal) short for lavatory
colloquial shortening of lavatory, attested from 1913.
Lavatory; bathroom: ladies in the lav
[lah-vuh, lav-uh] /ˈlɑ və, ˈlæv ə/ noun 1. the molten, fluid rock that issues from a volcano or volcanic vent. 2. the rock formed when this solidifies, occurring in many varieties differing greatly in structure and constitution. /ˈlɑːvə/ noun 1. magma emanating from volcanoes and other vents 2. any extrusive igneous rock formed by the […]
[luh-vey-boh, -vah-] /ləˈveɪ boʊ, -ˈvɑ-/ noun, plural lavaboes. 1. Ecclesiastical. 2. (in many medieval monasteries) a large stone basin equipped with a number of small orifices through which water flowed, used for the performance of ablutions. 3. a washbowl with a spigot-equipped water tank above, both mounted on a wall: now often used for decoration […]
[luh-vahzh, lav-ij] /ləˈvɑʒ, ˈlæv ɪdʒ/ noun 1. a washing. 2. Medicine/Medical. /ˈlævɪdʒ; læˈvɑːʒ/ noun 1. (med) the washing out of a hollow organ by flushing with water n. “a washing,” 1895, from French lavage, from laver “to wash” (see lave). lavage lav·age (lāv’ĭj, lä-väzh’) n. A washing, especially of a hollow organ such as the […]
[luh-val; French la-val] /ləˈvæl; French laˈval/ noun 1. Pierre [pyer] /pyɛr/ (Show IPA), 1883–1945, French lawyer and politician: premier 1931–32, 1935–36; premier of the Vichy government 1942–44; executed for treason 1945. 2. a city in S Quebec, in E Canada, NW of Montreal, on the St. Lawrence. 3. a city in and the capital of […]