/ Dictionary / Index V virosis: Meaning and Definition of Find definitions for: vi•ro•sis Pronunciation: (vī-rō'sis), [key] — n. Med., infection with a virus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Viron v. irr. Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language