单词 | orthophyre |
释义 | orthophyre/ˈɔːθə(ʊ)fʌɪə/Geology. Now rare noun A porphyritic rock containing phenocrysts chiefly of orthoclase in a feldspathic groundmass. OriginMid 19th century; earliest use found in American Naturalist. From French orthophyre from ortho- ortho- + -phyre (in porphyre). |
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