Definition of microdontia in US English:

microdontia

noun

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

Origin

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

Pronunciation

microdontia

/ˌmʌɪkrə(ʊ)ˈdɒntɪə/