| 单词 | anapsid | 
| 释义 | anapsid in American English (əˈnæpsɪd) adjective 1.  belonging or pertaining to the Anapsida, a subclass of reptiles, extinct except for the turtles, characterized by having no opening in the temporal region of the skull  nounCompare diapsid 2.  a reptile of the subclass Anapsida Word origin[1930–35; ‹ NL Anapsida, equiv. to an- an-1 + -apsida, pl. of -apsidum, neut. adj. deriv. of Gk apsís, hapsís loop, arch (referring to the opening in the skull);   see apsis] | 
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