activation definition, activation meaning | English dictionary

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      vb   tr  
1    to make active or capable of action  
2      (Physics)   to make radioactive  
3      (Chem)  
a    to increase the rate of (a reaction)  
b    to treat (a substance, such as carbon or alumina) so as to increase powers of adsorption  
4      (Physiol)   to prepare by arousal (the body or one of its organs (e.g. the brain)) for action  
5    to purify (sewage) by aeration  
6      (U.S., military)   to create, mobilize, or organize (a unit)  
   activation             n  
  activator      n  
English Collins Dictionary - English Definition & Thesaurus  


actuation, animation, arousal, initiation, mobilization, setting in motion, start, switching on, triggering, turning on  

English Collins Dictionary - English synonyms & Thesaurus  

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