/ Dictionary / Index C cyanosis: Meaning and Definition of Find definitions for: cy•a•no•sis Pronunciation: (sī"u-nō'sis), [key] — n. Pathol. blueness or lividness of the skin, as from imperfectly oxygenated blood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cyanosis (Thesaurus) cyanoplatinite cyanotype Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language