catalyse something to make a chemical reaction happen faster Topics Physics and chemistry c2 The Oxford Learner’s Thesaurus explains the difference between groups of similar words. Try it for free as part of the Oxford Advanced Learner’s Dictionary app Definition of catalyse verb in Oxford Advanced Learner's Dictionary.
If something catalyses a thing or a situation, it makes it active . Any unexpected circumstance that arises may catalyze a sudden escalation of violence. [VERB noun] In chemistry, if something catalyses a reaction or event, it causes it to happen . The wires do not have a large enough surface to catalyse a big explosion.
ISBN 0-07-032305-4 Look up catalysis in Wiktionary, the free dictionary. Wikimedia Commons has media related to Catalysis. Wikisource has the text of the 1911 Encyclopædia Britannica article "Catalysis". "Bubbles turn on chemical catalysts" Archived July 22, 2012, at the Wayback Machine, Science News magazine online, April 6, 2009.
A catalyst is defined as a chemical substance which increases the rate of a chemical reaction without itself being consumed in the reaction. ^ Lerner, Louise (2011). "7 things you may not know about catalysis".