Treaty on the Non-Proliferation of Nuclear Weapons

[ tree-tee on thuh non-pruh-lif-uh-rey-shuhn uhv noo-klee-er wep-uhnz, nyoo-klee-er ]

noun

1. an international treaty, presented in 1968 and extended indefinitely in 1995, whose signatory nations agree to prevent the spread of nuclear weapons, further the goal of nuclear disarmament, and promote the cooperative and peaceful uses of nuclear energy: ratified by more countries than any other arms limitation agreement. : NPT nuclear weapon state ( def ), non-nuclear weapon state ( def ).

Pronunciation Note

See nuclear ( def ).