English

Definition of activation noun from the Oxford Advanced Learner's Dictionary

 

activation

 noun
noun
BrE BrE//ˌæktɪˈveɪʃn//
 
; NAmE NAmE//ˌæktɪˈveɪʃn//
 
[uncountable]
 
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the act of making something such as a device or chemical process start working The activation of several target genes results in two major effects. to trigger/inhibit/block the activation of something