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单词 secodont
释义

secodontadj.

/ˈsɛkəʊdɒnt/
Etymology: < Latin secāre to cut + Greek ὀδοντ-, ὀδούς tooth.
Zoology.
Of a tooth: adapted or suited for cutting. Of an animal: having such teeth.
ΘΚΠ
the world > animals > animal body > general parts > head and neck > [adjective] > having teeth > adapted for tearing or cutting
laniary1826
trenchant1831
carnassial1849
laniariform1849
secodont1891
1891 W. H. Flower & R. Lydekker Introd. Study Mammals 32 Trituberculism differentiating into a secodont and a bunodont series, according as to whether the dentition becomes of a cutting or a crushing type.
1913 W. A. N. Dorland Illustr. Med. Dict. (ed. 7) Secodont, having teeth in which the tubercles of the molars are provided with cutting edges.
1968 R. Zangerl tr. B. Peyer Compar. Odontol. 244 Both upper and lower carnassials [in modern carnivores] are secodont; that is, they have sharp cutting edges that run parallel to the edge of the jaw.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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adj.1891
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