/ Dictionary / Index C cyanuric acid: Meaning and Definition of Find definitions for: cy'anu'ric ac'id Pronunciation: [key] a white, crystalline, water-soluble solid, CHON&multiplydot;2HO, used chiefly in organic synthesis. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cyanuric cyathiform Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language