| 单词 | pelycosaur |
| 释义 | pelycosaur[ pel-i-kuh-sawr ] / ˈpɛl ɪ kəˌsɔr / nounany 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. Origin of pelycosaur<New Latin Pelycosauria (1878), equivalent to Greek pelyk-, stem of pélyx wooden bowl, cup (taken as meaning pelvis, parallel to the New Latin sense of Latin pelvis) + -o--o- + saûr(os) -saur + New Latin -ia-ia; so named from the peculiar form of the ischium in such reptiles Words nearby pelycosaurpelvis justo minor, pelvis major, pelvis minor, pelvivertebral angle, pelvospondylitis ossificans, pelycosaur, Pematangsiantar, Pemba, pembina, Pembroke, Pembroke Pines Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for pelycosaurpelycosaur / (ˈpɛlɪkəʊˌsɔː) / nounany 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 for pelycosaurC19: from New Latin Pelycosauria, from Greek pelyx bowl, pelvis, + -saur Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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