Main Entry: de·ac·ti·vate

Pronunciation: \(ˈ)dē-ˈak-tə-ˌvāt\

Function: transitive verb

Inflected Form(s): de·ac·ti·vat·ed; de·ac·ti·vat·ing

1 : to make inactive or ineffective
2 : to deprive of chemical activity <deactivate an enzyme>

—de·ac·ti·va·tion \-ˌak-tə-ˈvā-shən\ noun