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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

Examples of activation energy in a Sentence

Recent Examples on the Web

 Finding the activation energy to get out there can be tough with the various barriers to entry. — Michelle Li, Teen Vogue, "Fila's Newest Collection Will Get You Outside ASAP," 18 July 2019

First Known Use of activation energy

1924, in the meaning defined above

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More Definitions for activation energy

activation energy

noun
ac·​ti·​va·​tion energy | \ ˌak-tə-ˈvā-shən- How to pronounce activation energy (audio) \

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

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