- gnathism
- \\ˈnāˌthizəm, ˈnaˌth-, in combination gnəˌth-\ noun
(-s)
Etymology: International Scientific Vocabulary gnath- + -ism: the projection of the upper jaw beyond the general plane of the face — often used in combination
mesognathism
orthognathism
prognathism
— compare facial angle
Useful english dictionary. 2012.