/ Dictionary / Index M mucolytic: Meaning and Definition of Find definitions for: mu•co•lyt•ic Pronunciation: (my"ku-lit'ik), [key] — adj. Biochem. denoting or pertaining to enzymes that break down mucus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mucoid mucopolysaccharide Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language