| 单词 | geometrical isomer |
| 释义 | > as lemmasgeometrical isomer geometrical isomer n. [after German geometrisches Isomer (1888 or earlier)] Chemistry each of two or more compounds which differ from each other only in the spatial arrangement of atoms relative to a rigid structure such as a double bond or ring; cf. cis-trans isomer. ΚΠ 1888 London, Edinb. & Dublin Philos. Mag. 5th Ser. 26 429 Mesotartaric acid for example is to be regarded as a geometrical isomer of dextro- and lævotartaric acids, which two are optical isomers of one another. 1936 H. G. Rule tr. J. Schmidt Text-bk. Org. Chem. (ed. 3) 51 Under certain conditions the geometrical isomers of the ethylene series are interconvertible. 2007 J. L. Rosenberg et al. Schaum's Outl. Theory & Probl. College Chem. ix. 143 An important set of geometrical isomers occurs in compounds containing a carbon–carbon double bond. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。