Definition of megadontia in English:

megadontia

Pronunciation /ˌmɛɡəˈdɒntɪə/

noun

  • Enlargement of the teeth, or of one or more teeth, either (Medicine and Dentistry) as an individual abnormality, or (Physical Anthropology) as a characteristic of a particular hominid or human type.

Origin

1940s. From megadont + -ia. Compare earlier macrodontia, microdontia, and also megadontism.