any of three isomers of the formula C14H22O which, when mixed, produce a fragrant liquid used in perfumery
2.
the liquid so produced
irone in American English
(aiˈroun, ˈairoun)
noun
Chemistry
a colorless liquid of isomeric, unsaturated ketones, C14H22O, obtained from orris root: used in perfumery for its odor of violets
Word origin
[1890–95; ir(is) + -one]This word is first recorded in the period 1890–95. Other words that entered Englishat around the same time include: blip, bootstrap, historicism, plein-air, pogey-one is a suffix used in the names of ketones and analogous chemical compounds. Otherwords that use the affix -one include: lactone, quinone