单词 | crotonic |
释义 | crotonicadj. Chemistry. Of or derived from croton oil; as in crotonic acid, C4H6O2, the second member of the acrylic adj. and n. series. ΚΠ 1838 T. Thomson Chem. Org. Bodies 433 It owes its purgative qualities to..crotonic acid dissolved in the oil. Derivatives ˈcrotonate n. a salt of crotonic acid. ΚΠ 1873 A. W. Williamson Chem. for Students (ed. 3) 302 The crotonate which has been extracted from the croton-seed oil. Categories » ˈcrotonol n. a brown oil obtained from croton oil. Categories » ˈcrotonyl n. the radical C4H7 of crotonic acid. ˈcrotonyˌlene n. a hydro-carbon, C4H6 (liquid below 15° C.), homologous with allylene. ΚΠ 1880 E. Cleminshaw tr. C. A. Wurtz Atomic Theory 264 The tetratomic radicals, acetylene, allylene, and crotonylene, are known in a free state. This entry has not yet been fully updated (first published 1893; most recently modified version published online December 2019). < adj.1838 |
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