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

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

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 chemical reaction is the change that happens when two or more substances are mixed with each other.

Usage: 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 may refer to a process or to a response to an action, event, or exposure.

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 decision).

REACTION meaning: 1 : the way someone acts or feels in response to something that happens, is said, etc.; 2 : an action or attitude that shows disagreement with or disapproval of someone or something …

Definition of reaction noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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