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单词 heterodont
释义

heterodontadj.n.

/ˈhɛtərəʊdɒnt/
Etymology: modern < heter- comb. form + Greek ὀδούς, ὀδοντ- tooth. In modern French hétérodon.
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).
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adj.n.1877
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