REACTION Definition & Meaning - Merriam-Webster
Jun 14, 2026 · The meaning of REACTION is the act or process or an instance of reacting. How to use reaction in a sentence.
Reaction Time Test - Human Benchmark
Click anywhere to start. This is a simple tool to measure your reaction time. The average (median) reaction time is 273 milliseconds, …
REACTION Definition & Meaning | Dictionary.com
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 - definition of reaction by The Free Dictionary
Usage: Reaction is used to refer both to an instant response (her reaction was one of amazement) and to a considered response in …
Reaction - Definition, Meaning & Synonyms | Vocabulary.com
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 Synonyms: 17 Similar and Opposite Words - Merriam-Webster
Jun 14, 2026 · Synonyms for REACTION: response, answer, take, reply, backlash, reflex, revulsion, recoil; Antonyms of REACTION: …
REACTION | English meaning - Cambridge Dictionary
A chemical reaction is the change that happens when two or more substances are mixed with each other.
REACTION definition in American English | Collins English Dictionary
Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it. …
Reaction Time Test
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 definition and meaning | Collins English Dictionary
Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it.