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  1. Human Benchmark - Reaction Time Test

    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 …

  2. REACTION Definition & Meaning - Merriam-Webster

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

  3. What Is a Chemical Reaction? Definition and Examples

    Aug 26, 2023 · What Is a Chemical Reaction? A chemical reaction is a process in which the chemical structure of a substance changes, leading to the formation of a new substance with …

  4. REACTION | English meaning - Cambridge Dictionary

    His art is a reaction against photographic realism. A reaction can also be an unpleasant effect on the body resulting from something eaten or taken, such as a drug. A chemical reaction is the …

  5. REACTION Definition & Meaning | Dictionary.com

    Chemical reactions are caused by electrons of one substance interacting with those of another. The reaction of an acid with a base, for example, results in the creation of a salt and water. …

  6. 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. The initial reaction of most participants is fear. He was …

  7. Reaction - Definition, Meaning & Synonyms | Vocabulary.com

    A chemical reaction describes the way a chemical behaves when combined with another substance. The way your body responds to a medication or external influence is a physical …

  8. Reaction - definition of reaction by The Free Dictionary

    Chemical reactions are caused by electrons of one substance interacting with those of another. The reaction of an acid with a base, for example, results in the creation of a salt and water. …

  9. What does reation mean? - Definitions.net

    Information and translations of reation in the most comprehensive dictionary definitions resource on the web.

  10. reaction, n. meanings, etymology and more | Oxford English …

    reaction is formed within English, by derivation; probably modelled on a Latin lexical item. Etymons: re- prefix, action n.