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graphite 音標拼音: [gr'æf,ɑɪt] n. 黑鉛,石墨 黑鉛,石墨 graphite n 1: used as a lubricant and as a moderator in nuclear reactors [synonym: {graphite}, {black lead}, {plumbago}] Graphite \Graph"ite\, n. [Gr. gra`fein to write: cf. F.
graphite. See {Graphic}.] (Min.) Native carbon in hexagonal crystals, also foliated or granular massive, of black color and metallic luster, and so soft as to leave a trace on paper. It is used for pencils (improperly called lead pencils), for crucibles, and as a lubricator, etc. Often called {plumbago} or {black lead}. [1913 Webster] {Graphite battery} (Elec.), a voltaic battery consisting of zinc and carbon in sulphuric acid, or other exciting liquid. [1913 Webster]
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