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activation energy

noun

Definition of activation energy

:the minimum amount of energy required to convert a normal stable molecule into a reactive molecule

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First Known Use of activation energy

1924

Medical Dictionary

activation energy

noun ac·ti·va·tion energy \ ˌak-tə-ˈvā-shən- \

medical Definition of activation energy

:the minimum amount of energy required to convert a normal stable molecule into a reactive molecule — called also energy of activation

Learn More about activation energy

  1. Britannica.com: Encyclopedia article about activation energy

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