air defense

Other forms: air defenses

Definitions of air defense
  1. noun
    defensive measures designed to destroy attacking enemy aircraft or missiles or to nullify their effectiveness
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    types:
    active air defense
    air defense by the use aircraft or missiles or artillery or electronic countermeasures
    passive air defense
    air defense by the use of deception or dispersion or protective construction
    type of:
    defence, defense, defensive measure
    (military) military action or resources protecting a country against potential enemies
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