| 单词 | elimination reaction |
| 释义 | > as lemmaselimination reaction elimination reaction n. Chemistry a reaction in which two substituents are removed from a molecule without being replaced, resulting in the formation of two molecules; cf. sense 6.Typically, the original molecule acquires a double bond and the detached substituents combine to form a small molecule. The reaction can be regarded as the opposite of an addition reaction (see addition n. 7). ΚΠ 1918 Jrnl. Amer. Chem. Soc. 40 704 In the addition of halhydric acids and halogens to acids of the acetylene series, and in the reverse elimination reactions, trans-processes are favored. 1978 G. C. Hill & J. S. Holman Chem. in Context xxviii. 448 The overall effect of this reaction is to eliminate HBr from the molecule of 2-bromopropane. This is an example of an elimination reaction. 2000 M. Clugston & R. Flemming Adv. Chem. xxiv. 442 In the elimination reaction, the hydroxide ion acts as a base and removes a hydrogen ion. < as lemmas |
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