catalyst Meaning in the Cambridge English Dictionary
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Meaning of “catalyst” in the English Dictionary

"catalyst" in British English

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catalystnoun [C]

uk   /ˈkæt.əl.ɪst/  us   /ˈkæt̬-/
specialized chemistry something that makes a ​chemicalreactionhappen more ​quickly without itself being ​changed an ​event or ​person that ​causesgreatchange: The high ​suiciderate acted as a catalyst forchange in the ​prisonsystem.
(Definition of catalyst from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"catalyst" in American English

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catalystnoun [C]

 us   /ˈkæt̬·əl·ɪst/
a ​condition, ​event, or ​person that is the ​cause of an ​importantchange biology, chemistry A catalyst is also a ​substance that ​causes or ​speeds a ​chemicalreaction without itself being ​changed.
(Definition of catalyst from the Cambridge Academic Content Dictionary © Cambridge University Press)

"catalyst" in Business English

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catalystnoun [C]

uk   us   /ˈkætəlɪst/
someone or something that causes a ​bigchange: the catalyst behind sth The catalyst behind this welcome ​trend has been the mighty Bill Gates.catalyst for sth An outside ​leader is often needed to ​serve as a catalyst for ​change.a catalyst to (do) sth The Government will ​act as a catalyst to ​promotecreativecollaboration between ​businesses.
(Definition of catalyst from the Cambridge Business English Dictionary © Cambridge University Press)
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