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ionone

[ ahy-uh-nohn ]

noun

, Chemistry.
  1. a light-yellow to colorless, slightly water-soluble liquid that is either one or a mixture of two unsaturated ketones having the formula C 13 H 20 O, used chiefly in perfumery.

ionone

/ ˈaɪəˌnəʊn /

noun

  1. a yellowish liquid mixture of two isomers with an odour of violets, extracted from certain plants and used in perfumery
  2. either of these two isomers. Formula: C 13 H 20 O

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Word History and Origins

Origin of ionone1

First recorded in 1890–95; formerly trademark

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Example Sentences

Ionone, a ketone first prepared by Tiemann, and having when diluted a pronounced violet odour.

Two isomeric ketones, α-ionone and β-ionone, are produced, the article of commerce being usually a mixture of both.

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