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单词 petrosilex
释义

petrosilex

/ˌpɛtrə(ʊ)ˈsʌɪlɛks/
Geology. Now rare
noun
Any of various hard, compact, igneous or metamorphic rocks rich in silica; especially (a) hornstone or chert; (b) felsite.

Origin

Late 18th century. From German Petrosilex from petro- + classical Latin silex flint, pebble.

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更新时间:2025/1/12 10:21:36