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Definition of Ionone
1. a chemical compound [n -S]
Medical Definition of Ionone
1. A cyclic ketone with an odour of violets or cedar wood, the a and b varieties of which differ in the location of the double bond in the ring: provitamins A and vitamin A have ionone configuration in the ring portion; alpha-carotene contains one alpha-and one beta-ionone moieties, beta-carotene contains two beta-ionone moieties, and gamma-carotene contains one beta-ionone moiety. (05 Mar 2000)
Lexicographical Neighbors of Ionone
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