an agreement by nations producing nuclear weapons to refrain from testing them in the atmosphere.
Origin of test ban
First recorded in 1955–60
Related formstest-ban, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for test ban
an agreement among nations to forgo tests of some or all types of nuclear weapons
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012