noun
nuclear deterrence
A political/military strategy where a country prevents attack by threatening nuclear retaliation. Used in security and international relations contexts.
核抑止政策は冷戦時代に重要な役割を果たした。
Nuclear deterrence policy played an important role during the Cold War.
核抑止力の維持には多額の費用がかかる
Maintaining a nuclear deterrent force costs a huge amount of money.
Compound of 核 (kaku, 'nuclear') and 抑止 (yokushi, 'deterrence'). The term is a direct translation of the English 'nuclear deterrence' and became common in post-WWII security discourse.