prognathismn.
/ˈprɒɡnəθɪz(ə)m/, U.S. /ˈprɑɡnəˌθɪz(ə)m/ Physical Anthropology.
The state or condition of being prognathous.
ΘΚΠ
the world > life > the body > external parts of body > head > face > jaws > [noun] > conditions or positions of
underhanging1842
prognathism1860
orthognathism1862
rest position1865
mesognathy1884
eurygnathism1890
prognathy1890
mesognathism1891
underhang1903
underbite1976
1860 Trans. Amer. Philos. Soc. 11 322 In consequence of the projecting jaws and teeth (prognathism..) of the African race, it is not easy to place the tongue in the proper position for making th.
1880 I. L. Bird Unbeaten Tracks Japan II. 75 [In the Ainos] there is no tendency towards prognathism.
1930 Jrnl. Royal Anthropol. Inst. 60 149 The characters used in the selection were thickness of lip, width of nostril, and degree of prognathism.
1990 G. P. Rightmire Evol. Homo erectus vii. 183 Evidence for continuity is found in trends toward facial prognathism.
This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).
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