单词 | heterodont |
释义 | heterodontadj.n. Zoology. A. adj. Having teeth of different kinds or forms (incisors, canines, and molars), as most mammals. Also said of the teeth. Opposed to homodont. ΘΚΠ the world > life > the body > digestive or excretive organs > digestive organs > mouth > types or spec. teeth > [adjective] > of different kinds heterodont1877 1877 Turner in Encycl. Brit. VII. 232/2 In the majority of the Mammalia, the teeth in the same jaw vary in size, form, and structure, and they are therefore called Heterodont. 1886 Athenæum 9 Oct. 471/1 Existing toothed whales have what appears to be a homodont and not a heterodont dentition, but a heterodont dentition has been observed in the foetus of an existing whale. B. n. Categories » 1. A heterodont animal. Categories » 2. A snake of the North American genus Heterodon. This entry has not yet been fully updated (first published 1898; most recently modified version published online December 2019). < adj.n.1877 |
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