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- Dictionaryreaction/rɪˈakʃn/
noun
- 1. something done, felt, or thought in response to a situation or event: "my immediate reaction was one of relief" Similar
- 2. a chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances: "a chemical reaction caused by a build-up of particular sodium salts"
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REACTION definition: 1. behaviour, a feeling or an action that is a direct result of something else: 2. someone's…. Learn more.
1. a. : the act or process or an instance of reacting. b. : resistance or opposition to a force, influence, or movement. especially : tendency toward a former and usually outmoded political or social order or policy. 2. : a response to some treatment, situation, or stimulus. her stunned reaction to the news.
Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it.
Reaction definition: a reverse movement or tendency; an action in a reverse direction or manner.. See examples of REACTION used in a sentence.
[plural] the ability to move quickly in response to something, especially if in danger.
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. A reaction is often a physical in nature. A chemical reaction describes the way a chemical behaves when combined with another substance.
an unpleasant feeling or illness caused by something you have eaten or used on your body: A number of people have had a bad reaction to this drug. reaction noun (SUBSTANCES) a change that happens when two substances are put together: a chemical reaction. See also. chain reaction.
Define reaction. reaction synonyms, reaction pronunciation, reaction translation, English dictionary definition of reaction. n. 1. a. A response to a stimulus. b. The state resulting from such a response. 2. A reverse or opposing action. 3. a. A tendency to revert to a former...
reactions [plural] the ability to move, or do something, quickly in response to something, especially if in danger a skilled driver with quick reactions. against progress. [uncountable] opposition to social or political progress or change The forces of reaction made change difficult. science.
something done, felt, or thought in response to a situation or event:. Meaning, pronunciation and example sentences, English to English reference content.
