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tellurium 音标拼音: [tɛl'ʊriəm] n. 两性金属元素,符号 Te,原子序 52两性金属元素,符号 Te,原子序 52tellurium n 1: a brittle silver- white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold [ synonym: { tellurium}, { Te}, { atomic number 52}] Tellurium \ Tel* lu" ri* um\, n. [ NL., from L. tellus, - uris, the earth.] ( Chem.) A rare nonmetallic element, analogous to sulphur and selenium, occasionally found native as a substance of a silver- white metallic luster, but usually combined with metals, as with gold and silver in the mineral sylvanite, with mercury in Coloradoite, etc. Symbol Te. Atomic weight 125. 2. [ 1913 Webster] { Graphic tellurium}. ( Min.) See { Sylvanite}. { Tellurium glance} ( Min.), nagyagite; -- called also { black tellurium}. [ 1913 Webster]
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