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 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 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