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nounthe prevention of something increasing or spreading (especially the prevention of an increase in the number of countries possessing nuclear weapons)
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Definition that contains nonproliferation
- npc an agency that serves as the focal point for all Intelligence Community activities related to nonproliferation of weapons of mass destruction and their missile delivery systems
- nonproliferation center an agency that serves as the focal point for all Intelligence Community activities related to nonproliferation of weapons of mass destruction and their missile delivery systems