catalyst inChemistry topic From Longman Dictionary of Contemporary Englishcat‧a‧lyst/ˈkætl-ɪst/●○○noun[countable]1technicalasubstancethat makes achemicalreactionhappen more quickly without being changed itself2something or someone that causes an important change or event to happencatalyst...
What is a catalyst in chemistry? Learn the catalyst definition, as well as the different types of catalysts, their defining characteristics and...
He was the catalyst in the native uprising.Did you know? Word History of Catalyst Catalyst is a fairly recent addition to the English language, first appearing at the start of the 20th century with its chemistry meaning. It was formed from the word catalysis, another chemistry term which refe...
Define catalyst. catalyst synonyms, catalyst pronunciation, catalyst translation, English dictionary definition of catalyst. n. 1. Chemistry A substance, usually used in small amounts relative to the reactants, that modifies and increases the rate of a r
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"catalysis" is used to refer to a reaction in which a substance is consumed (e.g., base-catalyzed ester hydrolysis). According to theIUPAC, this is an incorrect usage of the term. In this situation, the substance added to the reaction should be called anactivatorrather than a catalyst. ...
catalyst Advertisement noun(4) View synonyms forcatalyst AmericanBritishScientificCultural [kat-l-ist] Phonetic (Standard)IPA noun Chemistry.a substance that causes or accelerates a chemical reaction without itself being affected. something that causes activity between two or more persons or forces ...
autocatalysis- catalysis in which the catalyst is one of the products of the reaction chemical action,chemical change,chemical process- (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved ...
(chemistry) a substance that makes a chemical reaction happen faster without being changed itself Chlorine will act as a catalyst. WordfinderTopics Physics and chemistryc2 Definitions on the go Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s...
Definitions 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 “the invasion acted as a catalyst to unite the country” see more ...