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



BrE BrE//ˌæktɪˈveɪʃn//
; NAmE NAmE//ˌæktɪˈveɪʃn//
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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