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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
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
CATALYST 释义 | 柯林斯英语词典 - Collins Online Dictionary A catalyst is an agent or compound that is added to a process to make a chemical reaction happen more quickly The catalyst can increase the reaction rate of the steam and can participate in the secondary reactions The packing can also act as a catalyst to enhance desired chemical transformations
Catalyst - Definition, Meaning Synonyms | Vocabulary. com The noun catalyst is something or someone that causes a change and is derived from the Greek word katalύein, meaning "to dissolve " It can be somewhat ordinary, like when moving to a warmer climate was the catalyst for getting a short, sporty haircut
DOE Explains. . . Catalysts | Department of Energy A catalyst is a substance that speeds up a chemical reaction, or lowers the temperature or pressure needed to start one, without itself being consumed during the reaction Catalysis is the process of adding a catalyst to facilitate a reaction
Catalysts - Chemistry LibreTexts A catalyst is a substance that speeds up a reaction without being consumed by it More specifically, a catalyst provides an alternative, lower activation energy pathway between reactants and products As such, catalysts are vitally important to chemical technology; approximately 95% of industrial chemical processes involve catalysts of various
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