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wolfram 音标拼音: [w'ʊlfr,æm] n. 钨锰铁矿;钨 钨锰铁矿;钨 wolfram n 1: a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite [synonym: {tungsten}, {wolfram}, {W}, {atomic number 74}] Wolfram \Wol"fram\, n. [G.] 1. (Min.) Same as {Wolframite}. [1913 Webster] 2. same as {tungsten}. [PJC] Wolframite \Wol"fram*ite\, n. [G., wolframit, wolfram; wolf wolf rahm cream, soot; cf. G. wolfsruss wolfram, lit., wolf's soot.] (Min.) Tungstate of iron and manganese, generally of a brownish or grayish black color, submetallic luster, and high specific gravity. It occurs in cleavable masses, and also crystallized. Called also {wolfram}. [1913 Webster]
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