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单词 ankaratrite
释义

ankaratrite

noun

an·​ka·​ra·​trite
-ä‧ˌtrīt
plural -s
: a melanocratic nephelite-basalt containing some feldspar, phenocrysts of olivine, microlites of titanaugite, and from 10 to 15 percent nephelite

Word History

Etymology

French ankaratrite, from Ankaratra mountains, Madagascar, its locality + French -ite

First Known Use

1916, in the meaning defined above

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更新时间:2024/11/14 6:45:17