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	Trends of columbite View usage for: columbite in British English (kəˈlʌmbaɪt) noun a black mineral consisting of a niobium oxide of iron and manganese in orthorhombic crystalline form: occurs in coarse granite, often with tantalite, and is an ore of niobium. Formula: (Fe, Mn)(Nb)2O6 Also called: niobite Word origin C19: from columbium + -ite1 columbite in American English (kəˈlʌmˌbaɪt) noun a black, orthorhombic mineral, (Fe,Mn)(Nb,Ta)2O6, that is an ore of niobium and tantalum Word origin columbium + -ite1 Word lists with columbite mineral
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Trends ofcolumbite