/ Dictionary / Index I irone: Meaning and Definition of Find definitions for: i•rone Pronunciation: (ī-rōn', ī'rōn), [key] — n. Chem. a colorless liquid of isomeric, unsaturated ketones, CHO, obtained from orris root: used in perfumery for its odor of violets. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Iron Duke ironer Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language