chertn.

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中文n. [岩] 燧石；黑硅石；角岩\nn. (Chert)人名；(罗)凯尔特

[岩] 燧石；黑硅石；角岩

n. (Chert)人名；(罗)凯尔特

词根词源

chert (n.)"flint-like quartz," 1670s, of unknown origin. Apparently "a local term, which has been taken into geological use" [OED].

关键词

chert