/ Dictionary / Index C cyan: Meaning and Definition of Find definitions for: cy•an Pronunciation: (sī'an, sī'un), [key] See cyan- Pronunciation: [key] var. ofusually before a vowel or h: cyanamide. cyan- Pronunciation: [key] var. ofbefore a vowel. cyan- Pronunciation: [key] var. ofbefore a vowel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cyan (Thesaurus) CYA cyanamide Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language