臨りん界かい前ぜん核かく実じっ験けん

noun

subcritical nuclear experiment

Technical term used in nuclear non-proliferation and arms control contexts. Refers to experiments that stay below the threshold of a self-sustaining chain reaction.

• 臨りん界かい前ぜん核かく実じっ験けんは核かく実じっ験けん禁きん止し条じょう約やくの抜ぬけ穴あなとして批ひ判はんされることがある。

  Subcritical nuclear experiments are sometimes criticized as a loophole in nuclear test ban treaties.