CATALYST Definition & Meaning - Merriam-Webster
The meaning of CATALYST is a person or thing that provokes or speeds significant change or action. How to use catalyst in a sentence. Word History of Catalyst.
Catalyst | Examples, Definition, & Facts | Britannica
Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. Enzymes are naturally occurring catalysts responsible for many essential …
CATALYST Definition & Meaning | Dictionary.com
CATALYST definition: a substance that causes or accelerates a chemical reaction without itself being affected. See examples of catalyst used in a sentence.
CATALYST | English meaning - Cambridge Dictionary
A catalyst is also a substance that causes or speeds a chemical reaction without itself being changed.
What Is a Catalyst? Understand Catalysis - Science Notes and ...
Sep 21, 2022 · In chemistry and biology, a catalyst is a substance the increases the rate of a chemical reaction without being consumed by it. Catalysis is the process of speeding up a …
What Is a Catalyst and How Does It Work? - sciencenewstoday.org
May 8, 2025 · A catalyst is a substance that speeds up a chemical reaction without itself undergoing any permanent chemical change. In other words, it’s not consumed in the …
Catalyst Definition & Meaning | Britannica Dictionary
CATALYST meaning: 1 : a substance that causes a chemical reaction to happen more quickly; 2 : a person or event that quickly causes change or action