The process of making something active, working, or functional.
From the verb 'activate' (from Latin 'activus', meaning 'active') plus the suffix '-tion', which creates nouns from verbs. The Latin root comes from 'agere', meaning 'to do' or 'to act.'
In chemistry and biology, activation energy is a fascinating concept—molecules need a certain amount of energy to start reacting, like how you need to heat wood before it catches fire. This is why catalysts are so powerful in both chemical and biological systems; they lower the activation energy needed.
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