positive security assurance

American  

[poz-i-tiv si-kyoor-i-tee uh-shoor-uhns, uh-shur-uhns] / ˈpɒz ɪ tɪv sɪˈkjʊər ɪ ti əˈʃʊər əns, əˈʃɜr əns /

noun

1. assurance given by a nuclear weapon state that it will defend a non-nuclear weapon state that is the victim of nuclear attack by another nation: PSA

   A number of states expressed their views that positive security assurance is nothing more than what is already contained in the U.N. Charter.

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Etymology

Origin of positive security assurance

First recorded in 1980–85