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tektite

英 ['tektaɪt]

n. [地质] 玻陨石；[地质] 熔融石；似曜岩类

英文词源

tektite (n.): small roundish glass bodies, probably of meteoric origin, 1909, from German tektit (Suess, 1900), from Greek tektos "molten," from tekein "to melt."