Meaning of non-proliferation

Definition of non-proliferation

(noun) the prevention of something increasing or spreading (especially the prevention of an increase in the number of countries possessing nuclear weapons); "they protested that the nonproliferation treaty was just a plot to maintain the hegemony of those who already had nuclear weapons"; "nuclear disarmament and nonproliferation are closely related goals"

Other information on non-proliferation

WIKIPEDIA results for non-proliferation
Amazon results for non-proliferation