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- DictionaryRe·ac·tion/rēˈakSH(ə)n/
noun
- 1. an action performed or a feeling experienced in response to a situation or event: "Carrie's immediate reaction was one of relief"
The meaning of REACTION is the act or process or an instance of reacting. How to use reaction in a sentence.
A rearrangement of the atoms or molecules of two or more substances that come into contact with each other, resulting in the formation of one or more new substances. Chemical reactions are caused by electrons of one substance interacting with those of another.
REACTION definition: 1. behaviour, a feeling or an action that is a direct result of something else: 2. someone's…. Learn more.
A reaction is an action taken in response to something. If you're telling your parents that you want to move out, you'll see by their reaction that they're sad about it.
Definition of reaction noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
reaction in American English. (riˈækʃən) noun. 1. a reverse movement or tendency; an action in a reverse direction or manner. 2. movement in the direction of political conservatism or extreme rightism. 3. action in response to some influence, event, etc.
reaction in British English. (rɪˈækʃən ) noun. 1. a response to some foregoing action or stimulus. 2. the reciprocal action of two things acting together. 3. opposition to change, esp political change, or a desire to return to a former condition or system.
