英语词汇“irone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

irone

/ˈʌɪrəʊn/

Chemistry

noun

Originally: a fragrant oil obtained from orris root (Iris germanica and other species). Later: each of three isomeric cyclic ketones (α-irone, β-irone, and γ-irone) found in this oil and in other plants such as violets, and used in perfumery.

The irones are methyl derivatives of ionones, differing from each other in the position of a double bond in or adjacent to a six-membered ring. They have the empirical formula C₁₃H₂₀O..

Origin

Late 19th century; earliest use found in Bulletin Pharmacy. From German Iron, with remodelling of the ending after -one.

单词	irone
释义	irone /ˈʌɪrəʊn/ Chemistry noun Originally: a fragrant oil obtained from orris root (Iris germanica and other species). Later: each of three isomeric cyclic ketones (α-irone, β-irone, and γ-irone) found in this oil and in other plants such as violets, and used in perfumery. The irones are methyl derivatives of ionones, differing from each other in the position of a double bond in or adjacent to a six-membered ring. They have the empirical formula C₁₃H₂₀O.. Origin Late 19th century; earliest use found in Bulletin Pharmacy. From German Iron, with remodelling of the ending after -one.
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