| 单词 | thecodont |
| 释义 | thecodont /thee"keuh dont'/, n. 1. any of various reptiles of the extinct order Thecodontia, occurring in the late Permian to late Triassic periods and characterized by teeth set in sockets. adj. 2. having the teeth set in sockets. 3. belonging to or pertaining to the Thecodontia. [1830-40; < NL, equiv. to Gk thék(e) case, chest (see THECA) + -odont- -ODONT; so named from the sockets in which the marginal teeth were implanted] |
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