核かく拡かく散さん

noun

nuclear proliferation

Refers to the spread of nuclear weapons or technology to states that do not already possess them. Common in political and security contexts.

• 核かく拡かく散さん防ぼう止し条じょう約やくは国こく際さい的てきな安あん全ぜん保ほ障しょうの重じゅう要ような柱はしらです。

  The Nuclear Non-Proliferation Treaty is an important pillar of international security.