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1. Dictionary

   catalyst

   /ˈkatəlɪst/

   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"
   • ▪ a person or thing that precipitates an event: "the prime minister's speech acted as a catalyst for debate"

   Word Origin early 20th century: from catalysis, on the pattern of analyst.

   Scrabble Points: 13

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2. People also ask

   What does catalyst mean?

   • 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. Word History of Catalyst

   Catalyst Definition & Meaning - Merriam-Webster

   www.merriam-webster.com/dictionary/catalyst

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   What is a catalyst in a chemical reaction?

   • 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 and meaning | Collins English Dictionary

   www.collinsdictionary.com/dictionary/english/catalyst

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   What is catalytic action in chemistry?

   • In general, catalytic action is a chemical reaction between the catalyst and a reactant, forming chemical intermediates that are able to react more readily with each other or with another reactant, to form the desired end product. During the reaction between the chemical intermediates and the reactants, the catalyst is regenerated.

   Catalyst | Examples, Definition, & Facts | Britannica

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   What is a catalyst in a sentence?

   • 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 someone that causes a change and is derived from the Greek word katalύein, meaning "to dissolve."

   Catalyst - Definition, Meaning & Synonyms | Vocabulary.com

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   What is a catalyst example?

   • loading examples... 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.

   Catalyst - Definition, Meaning & Synonyms | Vocabulary.com

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   What is a polyfunctional catalyst?

   • Certain solid catalysts, called polyfunctional catalysts, are capable of more than one mode of interaction with the reactants; bifunctional catalysts are used extensively for reforming reactions in the petroleum industry. Catalyzed reactions form the basis of many industrial chemical processes.

   Catalyst | Examples, Definition, & Facts | Britannica

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3. dictionary.cambridge.org › dictionary › englishCATALYST | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   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.

4. www.merriam-webster.com › dictionary › catalystCatalyst Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › catalyst

   • Cached

   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.

5. dictionary.cambridge.org › english › catalystCATALYST | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › english › catalyst

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   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.

6. Videos

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7. www.vocabulary.com › dictionary › catalystCatalyst - Definition, Meaning & Synonyms - Vocabulary.com

   www.vocabulary.com › dictionary › catalyst

   an enzyme produced in the stomach that splits proteins into peptones. precursor of pepsin; stored in the stomach walls and converted to pepsin by hydrochloric acid in the stomach. any of a group of enzymes that act as a catalyst in the hydrolysis of organic phosphates.

8. www.britannica.com › science › catalystCatalyst | Examples, Definition, & Facts | Britannica

   www.britannica.com › science › catalyst

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   A catalyst is a substance that increases the rate of a chemical reaction without being consumed. Learn about different types of catalysts, their modes of action, and their applications in industry and biochemistry.

   • Author: The Editors of Encyclopaedia Britannica

9. www.dictionary.com › browse › catalystCATALYST Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › catalyst

   • Cached

   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.

10. www.collinsdictionary.com › english › catalystCATALYST definition and meaning | Collins English Dictionary

    www.collinsdictionary.com › english › catalyst

    • Cached

    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.