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 …

From jaw-dropping moments to laugh-out-loud surprises, this playlist has it all. Whether it's epic fails, viral challenges, or heartwarming stories, I’ve got the perfect reaction for you.

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

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 17, 2026 · What are the basics of chemical reactions? A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known …

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 …

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

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 …

Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it.