| 单词 | therapsid |
| 释义 | therapsid /theuh rap"sid/, n. 1. any of various groups of mammallike reptiles of the extinct order Therapsida, inhabiting all continents from mid-Permian to late Triassic times, some of which were probably warm-blooded and directly ancestral to mammals. adj. 2. of or pertaining to the Therapsida. [ < NL Therapsida (1905), equiv. to Gk ther- (s. of thér wild beast) + apsid- (s. of apsís arch, vault, referring to the temporal arch of the skull) + NL -a neut. pl. ending (see -A1)] |
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