Definition of microdontia in English:

microdontia

Pronunciation /ˌmʌɪkrə(ʊ)ˈdɒntɪə/

noun

Medicine Dentistry
  • Abnormally small size of the teeth, or of one or more teeth.

Origin

1940s. From micro- + -odontia. Compare earlier macrodontia, microdontism, microdentism.