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



BrE BrE//riˌæktɪˈveɪʃn//
; NAmE NAmE//riˌæktɪˈveɪʃn//
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the act of making something start working or happening again after a period of time; the fact of something starting to work or happen again Reactivation of the virus is more common in elderly people.