单词 | felsic |
释义 | felsic/ˈfɛlsɪk![]() adjective Geology Relating to or denoting a group of light-coloured minerals including feldspar, feldspathoids, quartz, and muscovite: felsic volcanic rocks...
OriginEarly 20th century: from feldspar + a contraction of silica. |
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