Meaning of irone

i•rone

Pronunciation: (ī-rōn', ī'rōn), [key]
— n. Chem.
  1. 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.