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 measuring …

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

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

Find 78 different ways to say REACTION, along with antonyms, related words, and example sentences at Thesaurus.com.

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 …

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

Chemists classify chemical reactions in a number of ways: by type of product, by types of reactants, by reaction outcome, and by reaction mechanism. Often a given reaction can be placed in two or even …

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.

Knowing your reaction time is an important part of your life and can be used to measure your alertness, quick thinking, and overall physical performance. It can be used in a variety of ways, such as in …