单词 | pachyodont |
释义 | pachyodont/ˈpakɪə(ʊ)ˌdɒnt/Zoology and Palaeontology adjective Having thick or massive teeth; specifically of, relating to, or designating (the dentition of) a bivalve mollusc characterized by one to three heavy, blunt teeth in the hinge of the shell, as typical of the extinct rudists (sometimes classified in an order Pachyodonta). noun A pachyodont bivalve mollusc. rare. OriginLate 19th century; earliest use found in The Century Dictionary. From pachy- + -odont. |
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