The meaning of REACTION is the act or process or an instance of reacting. How to use reaction in a sentence.

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 …

Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it. The initial reaction of most participants is fear. He was …

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.

REACTION definition: 1. behaviour, a feeling or an action that is a direct result of something else: 2. someone's…. Learn more.

In human behavior, a reaction refers to a response to certain situations, events, or emotions.

A response, as to a stimulus or influence. A movement back to a former or less advanced condition, stage, etc.; esp., such a movement or tendency in economics or politics; extreme …

Apr 1, 2025 · An action or statement in response to a stimulus or other event. The announcement of the verdict brought a violent reaction. You were in the courtroom. What is your reaction? …

Reaction is used to refer both to an instant response (her reaction was one of amazement) and to a considered response in the form of a statement (the Minister gave his reaction to the court's …

Reaction definition: a reverse movement or tendency; an action in a reverse direction or manner.. See examples of REACTION used in a sentence.