antiproliferation

[ an-tee-pruh-lif-uh-rey-shuh n ]
/ ˌæn ti prəˌlɪf əˈreɪ ʃən /

adjective

opposing an increase in nuclear weapons, especially in allowing additional countries to obtain them.
taking or containing measures to curb nuclear proliferation: to sign the antiproliferation treaty.

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Origin of antiproliferation

First recorded in 1975–80; anti- + proliferation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020