单词 | yttrotantalite |
释义 | yttrotantalite /i'troh tan"tl uyt'/, n. a mineral, tantalite and niobate of yttrium and various elements, as iron, and cerium, occurring in the form of brown-black crystals. [1800-10; yttro- (comb. form of YTTRIUM) + TANTALITE] |
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