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

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 measuring your reaction …

May 12, 2025 · A chemical reaction is a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either …

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

reaction - a response that reveals a person's feelings or attitude; "he was pleased by the audience's reaction to his performance"; "John feared his mother's reaction when she saw the …

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.

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? …

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 …

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