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	co·lum·bite (kə-lŭmbīt′) n. A black, red-brown, or colorless mineral, essentially (Fe, Mn)(Nb, Ta)₂O₆, the principal ore of niobium. [COLUMB(IUM) + -ITE¹.]
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