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 5 definitions foundFrom WordNet (r) 2.0 [wn]: os noun 1: a mouth or mouthlike opening 2: a hard brittle blue-gray or blue-black metallic element that is one of the platinum metals; the heaviest metal known [syn: {osmium}, {atomic number 76}] 3: (computer science) software that controls the execution of computer programs and may provide various services [syn: {operating system}] 4: the left eye [syn: {oculus sinister}] 5: rigid connective tissue that makes up the skeleton of vertebrates [syn: {bone}] [also: {ossa} (pl), {osar} (pl), {ora} (pl)] From WordNet (r) 2.0 [wn]: osar See {os} From The Collaborative International Dictionary of English v.0.44 [gcide]: Os \Os\, noun; pl. {Osar}. [Sw. [*a]s ridge, chain of hills, pl. [*a]sar.] (Geol.) One of the ridges of sand or gravel found in Sweden, etc., supposed by some to be of marine origin, but probably formed by subglacial waters. The osar are similar to the kames of Scotland and the eschars of Ireland. See {Eschar}. From The Collaborative International Dictionary of English v.0.44 [gcide]: Osar \O"sar\, noun pl. (Geol.) See 3d {Os}. From Virtual Entity of Relevant Acronyms (Version 1.9, June 2002) [vera]: OSAR Optical Storage and Retrieval | |||
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