Defense

Defense or defence may refer to:

Tactics and strategy
 Defense (military)
 Defense (sports)
 Defender (association football)
 Defenceman (ice hockey)
 Biological defense (disambiguation)
 Strategic Defense Initiative
 Civil defense
 Defence in depth

Politics and economics
 National security
 Defense minister
 International security
 Defense industry
 Defense contractor

Concepts in law
 Defense (legal)
 Defense of property
 Right of self-defense
 Self-defence

Other uses
 a chess opening by Black
 HMS Defence, Royal Navy ships of this name
 Defense of a doctoral thesis, also called viva voce; see dissertation
 La Défense, a business district in Paris
 The Grande Arche, commonly known as Arche de la Défense, in Paris
 DeFence, an art project
 Haganah (Hebrew for "The Defence"), a paramilitary organization in British Palestine
 Defence mechanism
 Defense in depth (computing)

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