CATALYST Definition Meaning - Merriam-Webster The meaning of CATALYST is a substance that enables a chemical reaction to proceed at a usually faster rate or under different conditions (as at a lower temperature) than otherwise possible
Catalysis - Wikipedia Catalysis ( kəˈtæləsɪs ) is the increase in rate of a chemical reaction due to an added substance known as a catalyst[1][2] ( ˈkætəlɪst ) Catalysts are not consumed by the reaction and remain unchanged after the reaction [3]
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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 biochemical reactions
What Is a Catalyst and How Does It Work? - sciencenewstoday. org 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 reaction—it merely facilitates it
CATALYST Definition Meaning | Dictionary. com something that causes activity between two or more persons or forces without itself being affected a person or thing that precipitates an event or change His imprisonment by the government served as the catalyst that helped transform social unrest into revolution