单词 | permanent tooth |
释义 | > as lemmaspermanent tooth permanent tooth n. a tooth that replaces a milk tooth and lasts for most of a mammal's life; usually in plural. ΘΚΠ the world > life > the body > digestive or excretive organs > digestive organs > mouth > types or spec. teeth > [noun] > permanent permanent tooth1799 permanent set1853 1799 Philos. Trans. (Royal Soc.) 89 251 This division of the [horse's] tooth into two parts, is very distinct in the shedding teeth, but not in the second set or permanent teeth. 1822 J. M. Good Study Med. I. 28 The permanent teeth have separate sockets of their own; and..do not lie immediately under the corresponding shedding teeth. 1934 Philos. Trans. (Royal Soc.) B. 223 77 (caption) The first permanent tooth was erupted and functional. 1995 Richmond (Va.) Times-Dispatch 15 June e6/3 Some children are getting too much fluoride, resulting in a harmless mottling of permanent teeth. < as lemmas |
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