n. someone or something that causes or speeds significant change or action
His childhood served as a catalyst for his work with inner city youth.
His childhood served as a catalyst for his work with inner city youth.
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What does a catalyst do?
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What is the catalyst (the cause) for this particular story?
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Fenton's Reagent is a solution of hydrogen peroxide and ferrous iron catalyst.
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accelerator; activator; stimulus; impetus
inhibitor; anticatalyst
3 syllables
cat-a-lyst
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