Cretaceous的词源

英文词源

cretaceous (adj.)

1670s, "chalky," from Latin cretaceus "chalk-like," from creta "chalk." As a geological period (with a capital C-), it was first used 1832. The extensive chalk beds of southeastern England were laid down during the Cretaceous.

中文词源

Cretaceous：白垩纪的

词源同crayon, 石灰，粉笔。

该词的英语词源请访问趣词词源英文版：Cretaceous 词源，Cretaceous 含义。