catalysis

noun

ca·tal·y·sis | \ kə-ˈta-lə-səs

How to pronounce catalysis (audio)

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plural catalyses\ kə-ˈta-lə-ˌsēz

How to pronounce catalyses (audio)

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Definition of catalysis

: a modification and especially increase in the rate of a chemical reaction induced by material unchanged chemically at the end of the reaction

Examples of catalysis in a Sentence

Recent Examples on the Web

That crystalline structure imparts mechanical properties that are useful for catalysis, gas storage, and drug delivery, for example. — Jennifer Ouellette, Ars Technica, "Watch this paper doll do sit-ups thanks to new kind of “artificial muscle”," 21 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'catalysis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Last Updated

29 Jul 2019

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Time Traveler for catalysis

The first known use of catalysis was in 1836

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More Definitions for catalysis

catalysis

noun

ca·tal·y·sis | \ kə-ˈtal-ə-səs

\

plural catalyses\ -ˌsēz

\

Medical Definition of catalysis

: a change and especially increase in the rate of a chemical reaction induced by a catalyst

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