orthognathism

noun
or·​thog·​na·​thism | \ ȯr-ˈthäg-nə-ˌthiz-əm How to pronounce orthognathism (audio) \
variants: or orthognathy \ -​nə-​thē How to pronounce orthognathy (audio) \
plural orthognathisms or orthognathies

Medical Definition of orthognathism

: the quality or state of not having the lower parts of the face projecting

Other Words from orthognathism

orthognathous \ -​nə-​thəs How to pronounce orthognathous (audio) \ adjective