/ Dictionary / Index C carboxylase: Meaning and Definition of Find definitions for: car•box•yl•ase Pronunciation: (kär-bok'su-lās", -lāz"), [key] — n. Biochem. decarboxylase. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. carboxyl carboxylate Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language