/ Dictionary / Index I isocyanine: Meaning and Definition of Find definitions for: i•so•cy•a•nine Pronunciation: (ī"su-sī'u-nēn", -nin), [key] — n. Chem. a member of the group of cyanine dyes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. isocyanide isocyano Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language