51Թ

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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

/ ˈɪəˌəʊ /

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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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51Թ History and Origins

Origin of ionone1

First recorded in 1890–95; formerly trademark
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Example Sentences

Examples have not been reviewed.

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

From

Irone, which has the perfume of violets, was isolated in 1893 from a ketone contained in orris-root; and ionone, another ketone which has a very closely similar odor of fresh violets and was isolated after some years' further work, is largely used in the preparation of violet perfume.

From

Irone and ionone are closely similar in composition to oil of turpentine which when taken into the body is partly converted into perfume and gives a strong odor of violets to the urine.

From

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