单词 | wolframite |
释义 | wolframite /wool"freuh muyt', vawl"-/, n. a mineral, iron manganese tungstate, (Fe,Mn)WO4, occurring in heavy grayish-black to brownish-black tabular or bladed crystals: an important ore of tungsten. Also, wolfram. [1865-70; WOLFRAM + -ITE1] |
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