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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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