Ionone
[ahy-uh-nohn] /ˈaɪ əˌnoʊn/
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.
/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: C13H20O
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