अर्थ : କୌଣସି ବସ୍ତୁର ବିକ୍ଷିପ୍ତ କରିବାର କାର୍ଯ୍ୟ, ଅବସ୍ଥା ବା ଭାବ
उदाहरणे :
ପରମାଣୁ ଅପ୍ରସାର ବିଶ୍ବଶାନ୍ତିରେ ସହାୟକ ହୋଇଥାଏ
समानार्थी : ଅପ୍ରସରଣ, ଅପ୍ରସାର, ଅବିସ୍ତରଣ
इतर भाषांमध्ये अनुवाद :
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.