英语词汇“pyroxene”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

noun

any of a group of silicate minerals having the general formula ABSi2O6, where A is usually calcium, sodium, magnesium, or iron, andBis usually magnesium, iron, chromium, manganese, or aluminium. Pyroxenes occur in basic igneous rocks and some metamorphic rocks, and have colours ranging from white to dark green or black. They may be monoclinic (clinopyroxenes) or orthorhombic (orthopyroxenes) in crystal structure. Examples are augite (the most important pyroxene), diopside, enstatite, hypersthene, and jadeite

Word origin

C19: pyro- + -xene from Greek xenos foreign, because it was mistakenly thought to have originated elsewhere when foundin igneous rocks

单词	pyroxene
释义	Word Frequency pyroxene (paɪˈrɒksiːn) noun any of a group of silicate minerals having the general formula ABSi2O6, where A is usually calcium, sodium, magnesium, or iron, andBis usually magnesium, iron, chromium, manganese, or aluminium. Pyroxenes occur in basic igneous rocks and some metamorphic rocks, and have colours ranging from white to dark green or black. They may be monoclinic (clinopyroxenes) or orthorhombic (orthopyroxenes) in crystal structure. Examples are augite (the most important pyroxene), diopside, enstatite, hypersthene, and jadeite Derived forms pyroxenic (ˌpaɪrɒkˈsɛnɪk) adjective Word origin C19: pyro- + -xene from Greek xenos foreign, because it was mistakenly thought to have originated elsewhere when foundin igneous rocks
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