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

femic

/ˈfɛmɪk/

Geology

adjective

Designating a primary category of igneous rocks whose chemical composition can be expressed in terms of a group of standard minerals which are relatively rich in iron and magnesium and poor in aluminium and silicon; of or relating to such rocks and their associated minerals. Contrasted with salic.

The classification was devised by the American geologists W. Cross, J. P. Iddings, L. V. Pirsson, and H. S. Washington..

Origin

Early 20th century. From fe- (in ferro-) + m- + -ic: see quot. 1902.

单词	femic
释义	femic /ˈfɛmɪk/ Geology adjective Designating a primary category of igneous rocks whose chemical composition can be expressed in terms of a group of standard minerals which are relatively rich in iron and magnesium and poor in aluminium and silicon; of or relating to such rocks and their associated minerals. Contrasted with salic. The classification was devised by the American geologists W. Cross, J. P. Iddings, L. V. Pirsson, and H. S. Washington.. Origin Early 20th century. From fe- (in ferro-) + m- + -ic: see quot. 1902.
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