/ Dictionary / Index D decarboxylate: Meaning and Definition of Find definitions for: de•car•box•yl•ate Pronunciation: (dē"kär-bok'su-lāt"), [key] — -at•ed, -at•ing. to remove the carboxyl group from (an organic compound). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: decarboxylate (Thesaurus) decarboxylase decarburize Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language