Reaction allergique au benadryl

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 decision). 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 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. Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it. Reaction to the visit is mixed. A reaction against something is a way of behaving or doing something that is deliberately different from what has been done before. Noun reaction (plural reactions) An action or statement in response to a stimulus or other event. Definition of reaction noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Reaction definition: A reverse or opposing action.