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energy of activation

DEFINITIONS OF: energy of activation

1

n the energy that an atomic system must acquire before a process (such as an emission or reaction) can occur

“catalysts are said to reduce the energy of activation during the transition phase of a reaction”
Synonyms:
activation energy
Type of:
energy, free energy
(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
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