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CAO 音标拼音: [k'ɑʊ] Lime \ Lime\, n. [ AS. l[ imac] m; akin to D. lijm, G. leim, OHG. l[ imac] m, Icel. l[ imac] m, Sw. lim, Dan. liim, L. limus mud, linere to smear, and E. loam. [ root] 126. Cf. { Loam}, { Liniment}.] 1. Birdlime. [ 1913 Webster] Like the lime That foolish birds are caught with. -- Wordsworth. [ 1913 Webster] 2. ( Chem.) Oxide of calcium, { CaO}; the white or gray, caustic substance, usually called { quicklime}, obtained by calcining limestone or shells, the heat driving off carbon dioxide and leaving lime. It develops great heat when treated with water, forming { slaked lime}, and is an essential ingredient of cement, plastering, mortar, etc. [ 1913 Webster PJC] Note: Lime is the principal constituent of limestone, marble, chalk, bones, shells, etc. [ 1913 Webster] { Caustic lime}, Calcium hydroxide or slaked lime; also, in a less technical sense, calcium oxide or quicklime. { Lime burner}, one who burns limestone, shells, etc., to make lime. { Lime pit}, a limestone quarry. { Lime rod}, { Lime twig}, a twig smeared with birdlime; hence, that which catches; a snare. -- Chaucer. [ 1913 Webster]
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