HyperDic: air_defense

English > 1 sense of the expression air defense:
NOUNactair defensedefensive measures designed to destroy attacking enemy / enemy aircraft or missiles or to nullify their effectiveness
English > air defense: 1 sense > noun 1, act
Meaningdefensive measures designed to destroy attacking enemy / enemy aircraft or missiles or to nullify their effectiveness.
Narroweractive air defenseair defense by the use aircraft or missiles or artillery or electronic countermeasures
passive air defenseair defense by the use of deception or dispersion or protective construction
Broaderdefense, defence, defensive measure(military) military action or resources protecting a country against potential enemies / enemies

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