Nuclear Test-Ban Treaty

[ noo-klee-er test-ban tree-tee, nyoo- ]

noun

1. an agreement signed by Britain, the Soviet Union, and the U.S. in 1963, committing nations to halt atmospheric tests of nuclear weapons: by the end of 1963, 96 additional nations had signed the treaty.

Nuclear Test Ban Treaty

1. An agreement made in 1963 by Britain , the Soviet Union , and the United States not to test nuclear weapons in the air, in outer space, or under the sea. Underground testing was permitted under the treaty.

Pronunciation Note

See nuclear ( def ).