catalysis

noun

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ca·tal·y·sis | \ kə-ˈta-lə-səs

plural catalyses\ kə-ˈta-lə-ˌsēz

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 List and MacMillan, working independently, developed a new kind of catalysis, called organocatalysis, which uses small, organic molecules that allows the process to be cheaper and better for the environment than the traditional methods. — Michael T. Nietzel, Forbes, 7 Oct. 2021 The Nobel panel said List and MacMillan in 2000 independently developed a new way of catalysis. — BostonGlobe.com, 6 Oct. 2021 In a new evaluation run by the U.S. Department of Energy's Idaho National Laboratory, NuScale’s nuclear module performed effective catalysis for hydrogen. — Caroline Delbert, Popular Mechanics, 14 Dec. 2020 At the surface Where the SrTiO3 tends to fall short is in the catalysis. — John Timmer, Ars Technica, 27 May 2020 That crystalline structure imparts mechanical properties that are useful for catalysis, gas storage, and drug delivery, for example. — Jennifer Ouellette, Ars Technica, 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.