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- DictionaryCat·a·lyst/ˈkadləst/
noun
- 1. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change: "chlorine acts as a catalyst promoting the breakdown of ozone"
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. How to use catalyst in a sentence.
CATALYST meaning: 1. something that makes a chemical reaction happen more quickly without itself being changed 2. an…. Learn more.
A substance that starts or speeds up a chemical reaction while undergoing no permanent change itself. The enzymes in saliva, for example, are catalysts in digestion. catalyst. In chemistry, a substance that causes a chemical reaction to occur but is not itself involved in the reaction.
a condition, event, or person that is the cause of an important change. biology, chemistry. A catalyst is also a substance that causes or speeds a chemical reaction without itself being changed. (Definition of catalyst from the Cambridge Academic Content Dictionary © Cambridge University Press)
Definitions of catalyst. noun. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected. synonyms: accelerator. see more. noun. something that causes an important event to happen.
catalyst (for something) a person or thing that causes a change. I see my role as being a catalyst for change. The riots were later seen as the catalyst for the new political developments.
CATALYST meaning: 1. someone or something that causes change: 2. a substance that makes a chemical reaction happen…. Learn more.
5 days ago · 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. In general, catalytic action is a chemical reaction between the catalyst and a reactant.
6 days ago · 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.
1. technical : a substance that causes a chemical reaction to happen more quickly. 2. : a person or event that quickly causes change or action. The bombing attack was the catalyst for war. She was proud to be a catalyst for reform in the government.
