/ Dictionary / Index Z zymosis: Meaning and Definition of Find definitions for: zy•mo•sis Pronunciation: (zī-mō'sis), [key] — pl. -ses fermentation. an infectious or contagious disease. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: zymosis (Thesaurus) zymometer zymotic Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language