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 definition: a substance that causes or accelerates a chemical reaction without itself being affected. See examples of catalyst used in a sentence.

A catalyst is also a substance that causes or speeds a chemical reaction without itself being changed.

A catalyst is an event or person causing a change. Getting kicked out of your parents' house might be a catalyst for becoming more independent. The noun catalyst is something or …

(chemistry) a substance that makes a chemical reaction happen faster without being changed itself Chlorine will act as a catalyst.

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 …

May 8, 2025 · Let’s start with the simplest definition. A catalyst is a substance that speeds up a chemical reaction without itself undergoing any permanent chemical change.

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 …

catalyst meaning, definition, what is catalyst: a substance that makes a chemical reacti...: Learn more.

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.