/ Dictionary / Index C cyano group: Meaning and Definition of Find definitions for: cy'ano group" Pronunciation: [key] — Chem. Chem. the univalent group CN; cyanogen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cyanogenic cyanoguanidine Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language