/ Dictionary / Index O ozostomia: Meaning and Definition of Find definitions for: o•zos•to•mi•a Pronunciation: (ō"zu-stō'mē-u), [key] — n. Pathol. bad breath; halitosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ozonous ozs. Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language