/ Dictionary / Index M monocarboxylic: Meaning and Definition of Find definitions for: mon•o•car•box•yl•ic Pronunciation: (mon"u-kär"bok-sil'ik), [key] — adj. Chem. containing one carboxyl group. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: monocarboxylic (Thesaurus) monocable monocarp Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language