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Noun: deactivation  dee,ak-ti'vey-shun
  1. The act of deactivating or making ineffective (as a bomb)
    "The bomb squad's successful deactivation of the device averted a potential disaster";
    - defusing
     
  2. (military) breaking up a military unit (by transfers or discharges)
    "The deactivation of the army division was part of the post-war downsizing";
    - inactivation

Derived forms: deactivations

Type of: chuck [Brit, informal], conclusion, discharge, dismissal, dismission [rare], ending, firing, heave-ho [informal], release, sack, sacking, severance, termination, the axe [informal], the boot [informal], the chop [Brit, informal]

Antonym: activation

Encyclopedia: Deactivation