Reactivates vs Deactivates - What's the difference?

As verbs the difference between reactivates and deactivates

is that reactivates is while deactivates is (deactivate).

(head)

(reactivate)

To activate again.

(head)

(deactivate)

* de-activate *

(deactivat)

(ergative) to make something inactive or no longer effective

to prevent the action of a biochemical agent (such as an enzyme)

to remove a person or piece of hardware from active military service