Catalyst Definition & Meaning - Merriam-Webster
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.
Catalyst | Examples, Definition, & Facts | Britannica
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.
CATALYST | English meaning - Cambridge Dictionary
WEBCATALYST definition: 1. something that makes a chemical reaction happen more quickly without itself being changed 2. an…. Learn more.
Catalyst - Definition, Meaning & Synonyms | Vocabulary.com
WEBDefinitions 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 Definition & Meaning | Dictionary.com
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 …
CATALYST | definition in the Cambridge English Dictionary
WEBCATALYST meaning: 1. something that makes a chemical reaction happen more quickly without itself being changed 2. an…. Learn more.
Catalysis - Wikipedia
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.
Types of catalysts (article) | Kinetics | Khan Academy
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.
Catalysis | Chemistry, Classification, & Chemical Reactions
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.
Catalysts (video) | Catalysis | Khan Academy
WEBA catalyst is a substance that increases the rate of a chemical reaction without being consumed in the reaction. A catalyst works by providing a different pathway for the reaction, one that has a lower activation energy than the uncatalyzed pathway.
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