英语词汇“columbite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	columbite
释义	WordReference Random House Unabridged Dictionary of American English © 2024 co•lum•bite (kə lum′bīt),USA pronunciation n. Mineralogya black, crystalline mineral, iron niobate, (Fe, Mn)Nb₂O₆, the principal ore of niobium, an end member of a series of solid solutions in which manganese and tantalum combine to form tantalite. columb(ium) + -ite¹ 1795–1805
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