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Meaning of “catalyst” in the English Dictionary

"catalyst" in British English

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(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 important change
biology, chemistry A catalyst is also a substance that causes or speeds a chemical reaction 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 big change: 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 promote creative collaboration between businesses.
(Definition of catalyst from the Cambridge Business English Dictionary © Cambridge University Press)
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