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https://www.dictionary.com/browse/catalyst

catalyst

[ 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 without itself being affected.
a person or thing that precipitates an event or change:
His imprisonment by the government served as the catalyst that helped transform social unrest into revolution.

a person whose talk, enthusiasm, or energy causes others to be more friendly, enthusiastic, or energetic.
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