/ Dictionary / Index M monoprotic: Meaning and Definition of Find definitions for: mon•o•prot•ic Pronunciation: (mon"u-prot'ik), [key] — adj. Chem. (of an acid) having one transferable proton. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. monopolylogue monopsony 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