| 单词 | pelycosaur |
| 释义 | pelycosaur in British English (ˈpɛlɪkəʊˌsɔː) noun any extinct mammal-like reptile of the order Pelycosauria, of Upper Carboniferous to Lower Permian times, from which the therapsids are thought to have evolved Word origin C19: from New Latin Pelycosauria, from Greek pelyx bowl, pelvis, + -saurpelycosaur in American English (ˈpelɪkəˌsɔr) noun any of a group of large primitive reptiles belonging to the extinct order Pelycosauria, abundant in North America and Europe during the Permian Period, often having a tall spinal sail Word origin [‹ NL Pelycosauria (1878), equiv. to Gk pelyk-, s. of pélyx wooden bowl, cup (taken as meaning pelvis, parallel to the NL sense of L pelvis) + -o- -o- + saûr(os) -saur + NL -ia -ia; so named from the peculiar form of the ischium in such reptiles]-o- is the typical ending of the first element of compounds of Greek origin (as -i- is, in compounds of Latin origin), used regularly in forming new compounds with elementsof Greek origin and often used in English as a connective irrespective of etymology(Franco-Italian; geography; seriocomic; speedometer) |
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