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

单词

tiglic

释义

tiglic, a. Chem.|ˈtɪglɪk|
[f. mod.L. Tigl-ium, specific name of the croton oil plant, Croton Tiglium (Linn.), of the Coromandel coast in India, the seeds of which were known in 17th cent. pharmacy as grana tiglia and grana tilli; according to Wittstein, 1856, f. Gr. τῖλος liquid fæces, as in diarrhœa, from their purgative quality. If so, the spelling tiglia or tiglii for tilia, tilli prob. arose in Italy.]
Contained in or derived from croton oil; tiglic acid, C₅H₈O₂ (Watts) = CH₃.CH:C(CH₃).CO.OH, a colourless crystalline compound, crystallizing in triclinic plates or rods, obtained from croton and other oils; stereo-isomeric with angelic acid. Also called methyl-crotonic acid. So ˈtiglate, a salt of this acid; ˈtigline (see quot. 1900); tiˈglinic a., tiglic.
1875Watts Dict. Chem. VII. 395 (Croton oil, acids obtained from) Geuther and Fröhlich designate this acid provisionally as tiglic acid, and point out that it is, perhaps, identical with Frankland and Duppa's methyl-crotonic acid... Barium tiglate, (C₅H₇O₂)₂Ba + 10 H₂O.1876Harley Royle's Mat. Med. 440 It is composed of the ordinary fatty acids, and volatile, acetic, butyric, and valerianic, tiglinic acid.1900B. D. Jackson Gloss. Bot. Terms, Tigline, the acrid principle in the seeds of Croton Tiglium, Linn.

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