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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"
Learn the meaning of catalyst as a substance that speeds up or enables a chemical reaction, or as an agent that provokes or speeds significant change or action. See examples, synonyms, word history, and related phrases of catalyst.
A catalyst is something or someone that causes a change or speeds up a chemical reaction. Learn more about the meaning, usage and pronunciation of catalyst with examples and synonyms from Cambridge Dictionary.
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.
A catalyst is something or someone that causes a change or speeds up a chemical reaction. Learn more about the different types and uses of catalysts in chemistry, biology, and business with Cambridge Dictionary.
A catalyst is a substance or a person that causes or speeds up a change or a reaction without being affected by it. Learn more about the origin, synonyms and examples of catalyst in chemistry and other contexts.
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.
A catalyst is a person or thing that causes a change or event to happen, or a substance that speeds up a chemical reaction. Learn more about the word forms, synonyms, collocations, and usage of catalyst with Collins English Dictionary.
