| 单词 | tooth-bone |
| 释义 | > as lemmastooth-bone tooth-bone n. (a) = dentine n.; (b) the bony substance or ‘cement’ of the teeth. ΘΚΠ the world > life > the body > digestive or excretive organs > digestive organs > mouth > substance or parts of teeth > [noun] > dentine ivory1828 dentine1845 osteodentine1849 vitro-dentine1849 tooth-ivory1851 plicidentine1852 tooth-bone1853 1853 R. Dunglison Med. Lexicon (ed. 9) (at cited word) The ivory of the tooth or Dentine,..proper tooth substance, bone of the tooth, osseous substance of tooth, tooth bone. 1876 T. Bryant Pract. Surg. (ed. 2) I. xiii. 535 The portion of the case that forms the root or roots is covered by ‘crusta petrosa’, or tooth bone. < as lemmas |
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