/ Dictionary / Index C carboxylate: Meaning and Definition of Find definitions for: car•box•yl•ate Pronunciation: (kär-bok'su-lāt"), [key] — v., n. -at•ed, -at•ing, —v.t. to introduce the carboxyl group into (an organic compound). —n. a salt or ester of a carboxylic acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: carboxylate (Thesaurus) carboxylase carboxylation Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language