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activated carbon |
activated charcoal |
activating |
activating agent |
activation |
activation energy
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activation energy
WORDNET DICTIONARY
Noun activation energy has 1 sense
- activation energy(n = noun.phenomenon) energy of activation - 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" is a kind of energy, free energy
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