英语词汇“rutile”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	rutile
释义	Word Frequency rutile (ˈruːtaɪl) noun a black, yellowish, or reddish-brown mineral, found in igneous rocks, metamorphosed limestones, and quartz veins. It is a source of titanium. Composition: titanium dioxide. Formula: TiO2. Crystal structure: tetragonal Word origin C19: via French from German Rutil, from Latin rutilus red, glowing
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