| 释义 |
thegosis Zool.|θɪˈgəʊsɪs|
[f. Gr. θηγός sharp + -osis.]
Tooth-grinding in animals as a means of sharpening the teeth.
1971Every & Kühne in D. M. & K. A. Kermack Early Mammals 25 While shear edges are used in mastication, they lose their feature which they develop during a powerful and short action of sharpening. This action we call active wear and thegosis. 1974Nature 30 Aug. 730/1 In mammals thegosis wear is accompanied by a second type of tooth wear, dental abrasion, which occurs at food/tooth interfaces during mastication. |