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1. Catalyst Definition & Meaning - Merriam-Webster
Link: https://www.merriam-webster.com/dictionary/catalyst
Description: WEBThe 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.
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2. CATALYST Definition & Meaning | Dictionary.com
Link: https://www.dictionary.com/browse/catalyst
Description: WEBA 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.
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3. CATALYST | English meaning - Cambridge Dictionary
Link: https://dictionary.cambridge.org/dictionary/english/catalyst
Description: WEBa 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 …
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4. Catalyst | Examples, Definition, & Facts | Britannica
Link: https://www.britannica.com/science/catalyst
Description: WEBCatalyst, 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.
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5. CATALYST | definition in the Cambridge English Dictionary
Link: https://dictionary.cambridge.org/us/dictionary/english/catalyst
Description: WEBcatalyst. noun [ C ] us / ˈkæt̬· ə l·ɪst /. Add to word list. Add to word list. a condition, event, or person that is the cause of an important change. biology, chemistry. A catalyst is also …
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6. Catalysis - Wikipedia
Link: https://en.wikipedia.org/wiki/Catalysis
Description: WEBCatalysis (/ k ə ˈ t æ l ə s ɪ s /) is the increase in rate of a chemical reaction due to an added substance known as a catalyst (/ ˈ k æ t əl ɪ s t /). Catalysts are not consumed by the reaction and remain unchanged after it.
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7. Types of catalysts (article) | Kinetics | Khan Academy
Link: https://www.khanacademy.org/science/chemistry/chem-kinetics/arrhenius-equation/a/types-of-catalysts
Description: WEBWhat is a catalyst? Includes examples of enzymes, acid-base catalysis, and heterogeneous (or surface) catalysis. Key points. A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process.
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8. What Is a Catalyst? Understand Catalysis - Science Notes and …
Link: https://sciencenotes.org/what-is-a-catalyst-understand-catalysis/
Description: WEBSep 21, 2022 · In chemistry and biology, a catalyst is a substance the increases the rate of a chemical reaction without being consumed by it. Catalysis is the process of speeding up a reaction using a catalyst. The word “catalyst” comes from the Greek word kataluein, which means to loosen or untie.
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9. catalyst noun - Definition, pictures, pronunciation and usage notes
Link: https://www.oxfordlearnersdictionaries.com/us/definition/english/catalyst
Description: WEBcatalyst (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. Word Origin. See catalyst in the Oxford Advanced American Dictionary See catalyst in the Oxford Learner's Dictionary of Academic English.
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10. Catalysis | Chemistry, Classification, & Chemical Reactions
Link: https://www.britannica.com/science/catalysis
Description: WEBMar 22, 2024 · catalysis, in chemistry, the modification of the rate of a chemical reaction, usually an acceleration, by addition of a substance not consumed during the reaction.