reaction，英语单词，主要用作名词，作名词时译为“反应，回应；反应能力；不良反应；化学反应；反作用力”等。

英 [riˈækʃn] 美 [riˈækʃ(ə)n]

n. 反应，回应；反应能力（reactions）；（药物或食物引起的）不良反应；化学反应；反作用力；（对旧观念等的）抗拒；反动，守旧

[ 复数 reactions ]

柯林斯英汉双解大词典

reaction /rɪˈækʃən/ CET4 TEM4

1.N-VAR Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it. 反应

2.N-COUNT A reaction against something is a way of behaving or doing something that is deliberately different from what has been done before. 反抗

3.N-SING If there is a reaction against something, it becomes unpopular. 抵触 [also no det, N 'against' n]

4.N-PLURAL Your reactions are your ability to move quickly in response to something, for example when you are in danger. 反应能力; 应变能力

5.N-UNCOUNT Reaction is the belief that the political or social system of your country should not change. 保守思想 [表不满]

6.N-COUNT A chemical reaction is a process in which two substances combine together chemically to form another substance. (化学) 反应

7.N-COUNT If you have a reaction to a substance such as a drug, or to something you have touched, you are affected unpleasantly or made ill by it. (对药物或所碰触的东西等的) 不良反应

reaction time 反应时间

reaction temperature 反应温度；适应温度

chemical reaction 化学反应

reaction mechanism 反应机理

reaction rate [化]反应速率

chain reaction 连锁反应；链式反应

reaction system 反应系统

reaction kinetics 反应动力学

polymerase chain reaction 聚合酶链反应

adverse reaction 不良反应；逆反应；有害反应

catalytic reaction 催化反应

allergic reaction 过敏反应；变态反应

drug reaction 药物反应

oxidation reaction 氧化反应；氧化作用

reaction principle 反应原理，反作用原理；反酌原理

inflammatory reaction 炎症反应，炎性反应

condensation reaction 缩合反应

reaction product 反应产物

addition reaction [化]加成；加成反应

coupling reaction 偶联反应，偶合反应