/ Dictionary / Index T tricarboxylic: Meaning and Definition of Find definitions for: tri•car•box•yl•ic Pronunciation: (trī-kär"bok-sil'ik), [key] — adj. Chem. pertaining to a molecule that contains three carboxyl groups. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tricalcium silicate tricarboxylic acid cycle Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language