activation energy

(redirected from "energy of activation")
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ac·ti·va·tion energy

(ăk′tə-vā′shən)
The least amount of energy needed for a chemical reaction to occur. For example, striking a match on the side of a matchbox provides the activation energy, in the form of heat, necessary for the chemicals in the match to catch fire.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.activation energy - 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"
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; "energy can take a wide variety of forms"
Translations
Aktivierungsenergie
aktivacijska energija
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