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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 C13H20O, used chiefly in perfumery.
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Origin of ionone

First recorded in 1890–95; formerly trademark
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ionone

Historical Examples

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

    The Handbook of Soap Manufacture

    W. H. Simmons

British Dictionary definitions for ionone

ionone

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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