/ Dictionary / Index O oligodontia: Meaning and Definition of Find definitions for: ol•i•go•don•tia Pronunciation: (ol"i-gō-don'shu, -shē-u), [key] — n. Dentistry. an abnormal condition in which fewer than the normal number of teeth develop. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oligodontia (Thesaurus) oligoclase oligogene Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language