/ Dictionary / Index T tricalcium silicate: Meaning and Definition of Find definitions for: tri•cal'ci•um sil'icate Pronunciation: (trī-kal'sē-um), [key] — Chem. Chem. a component of cement, CaSiO, also used in food to prevent caking. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tribute tricarboxylic Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language