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

Click anywhere to start. This is a simple tool to measure your reaction time. The average (median) reaction time is 273 milliseconds, according to the data collected so far. In addition to …

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 …

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.

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 …

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 meaning, definition, what is reaction: something that you feel or do because of...: Learn more.