Definition of "deactivate"

deactivate

/ˌdiːˈæktɪveɪt/

verb
third-person singular simple present deactivates, present participle deactivating, simple past and past participle deactivated
1. (ergative) to make something inactive or no longer effective
2. to prevent the action of a biochemical agent (such as an enzyme)
3. to remove a person or piece of hardware from active military service