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单词 polyprotodont
释义 polyprotodont, a. and n. Zool.|pɒlɪˈprəʊtəʊdɒnt|
[f. Gr. πολυ-, poly- + πρῶτο-ς first + ὀδούς, ὀδοντ- tooth; cf. diprotodont.]
a. adj. Having more than two front or incisor teeth in the lower jaw, as the carnivorous and insectivorous marsupials.
b. n. A polyprotodont marsupial. (Opp. to diprotodont.) Hence polyprotoˈdontid a., of or belonging to the polyprotodonts.
1889Nicholson & Lydekker Palæont. (ed. 3) II. 1273 A feature occurring in many recent Polyprotodonts.1892Athenæum 14 May 636/2 He came to the conclusion that this anomalous form [Notoryctes typhlops, a newly discovered mammal of Central Australia] should stand as a distinct family of polyprotodont marsupials.1900B. Spencer in Proc. Zool. Soc. 794 The ancestors of the recent Diprotodontia were beginning to diverge from the original Polyprotodontid stock.
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