/ Dictionary / Index C CN: Meaning and Definition of Find definitions for: CN Pronunciation: [key] chloroacetophenone. C/N Pronunciation: [key] circular note. credit note. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. CMV cnemis 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