reactivate

verb re·ac·ti·vate \ (ˌ)rē-ˈak-tə-ˌvāt \
|Updated on: 12 Jun 2018

Definition of reactivate

reactivated; reactivating; reactivates
transitive + intransitive
1 T : to activate (something or someone) again
  • … turning the dough (gently folding it over onto itself between the first and second rises) reactivates the yeast without pressing out as much air.
  • —Erika Bruce
: such as
a (1) : to restore (an organized group such as a military unit) to an active state (as from a state of disorganization or deactivation)
(2) : to restore (an individual) to active duty
  • He was reactivated after 9/11 and sent to Afghanistan for a year.
  • —Pam Kragen
(3) : to cause (something such as an industrial plant, society, program, or commission) to function again after a suspension of activity
  • Started in 1987 and reactivated two years ago, the Leadership Shelby County program takes the participants through the process of developing and launching efforts to improve the community.
  • —John Walker
b psychology : to cause (something such as a repressed complex) to reappear in consciousness or behavior
  • Feelings of inferiority were reactivated by the experience.
c medical : to cause (a quiescent disease) to become active again
  • tuberculosis that was reactivated by fatigue
2 I : to become active again
  • … a painful nerve and skin disorder that occurs when the immune system weakens in older people and the virus, which never entirely leaves the body, reactivates.
  • —Alison L. Sprout

First Known Use of reactivate

1854

in the meaning defined at sense 1

See Words from the same year
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Medical Dictionary

reactivate

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

medical Definition of reactivate

reactivated; reactivating
: to activate again : cause to be again active or more active: as
a : to cause (as a repressed complex) to reappear in consciousness or behavior
  • persecution feelings reactivated by new social failures
b : to cause (a quiescent disease) to become active again in an individual
  • a herpes infection reactivated by physical and emotional stresses
c : to restore complement to (an inactivated serum) by addition of fresh normal serum

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