Medical Dictionary


transitive verb re·ac·ti·vate \(ˈ)rē-ˈak-tə-ˌvāt\

Medical Definition of reactivate




  1. :  to activate again :  cause to be again active or more active: asa:  to cause (as a repressed complex) to reappear in consciousness or behavior persecution feelings reactivated by new social failuresb:  to cause (a quiescent disease) to become active again in an individual a herpes infection reactivated by physical and emotional stressesc:  to restore complement to (an inactivated serum) by addition of fresh normal serum

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