/ Dictionary / Index C cyanogen: Meaning and Definition of Find definitions for: cy•an•o•gen Pronunciation: (sī-an'u-jun, -jen"), [key] — n. a colorless, poisonous, flammable, water-soluble gas, CN, having an almondlike odor: used chiefly in organic synthesis. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cyanogen (Thesaurus) cyanocobalamin cyanogen bromide Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language