Catalyst

noun
'kætəlɪst

Noun

  • something that causes an important event to happen

    the invasion acted as a catalyst to unite the country

    Type of:Cause
  • (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

    Similar:Accelerator
    Type of:Activator

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North American Scrabble (NWL2020)
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