英语词汇“amphibole”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	amphibole
释义	Trends of amphibole View usage for: amphibole in British English (ˈæmfɪˌbəʊl) noun any of a large group of minerals consisting of the silicates of calcium, iron, magnesium, sodium, and aluminium, usually in the form of long slender dark-coloured crystals. Members of the group, including hornblende, actinolite, and tremolite, are common constituents of igneous rocks Word origin C17: from French, from Greek amphibolos uncertain; so called from the large number of varieties in the group amphibole in American English (ˈæmfəˌboʊl) noun any of a group of rock-forming minerals, as hornblende or actinolite, composed largely of silica, calcium, iron, and magnesium: they are common constituents of igneous and metamorphic rocks Word origin Fr < LL amphibolus, ambiguous < Gr amphibolos < amphiballein, to throw around, doubt < amphi-, amphi- + ballein, to throw: see ball2
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Trends ofamphibole