Breadcrumb Home > Dictionary > Index P prosthodontist: Meaning and Definition of Find definitions for: pros•tho•don•tist Pronunciation: (pros"thu-don'tist), [key] — n. a specialist in prosthodontics. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prosthodontist (Thesaurus) prosthodontics prostie ✖ Related Content Daily Word Quiz: hieratic Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language