4 days ago · 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 …

Online reaction time test. Click as soon as the field turns green. Average and best time, attempts, CSV export, and built‑in self‑tests.

Reaction Look up in Wiktionary, the free dictionary. Reaction may refer to a process or to a response to an action, event, or exposure.

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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.

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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 chemical elements or compounds.

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 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.