单词 | palinal |
释义 | palinaladj. Chiefly Zoology. Characterized by or involving backward motion, esp. of the lower jaw in chewing. Contrasted with proal. Cf. propalinal adj. ΘΚΠ the world > animals > animal body > general parts > head and neck > [adjective] > of the jaw or chin > backward motion of lower jaw palinal1888 1888 E. D. Cope in Amer. Naturalist 22 7 The propalinal mastication is to be distinguished into the proal, from behind forwards,..and the palinal, from before backwards. 1896 E. D. Cope Primary Factors Org. Evol. vi. 321 Ryder is of the opinion that the mastication of the Proboscidia is palinal. 1982 Paleobiology 8 265 Relative movement between these surfaces was largely palinal. 1994 Philos. Trans. (Royal Soc.) B. 345 451/2 The effective chewing stroke was backwards (palinal), the converse of that of rodents, in which chewing involves a forward (proal) movement of the lower jaw. This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022). < adj.1888 |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。