大たい気き圏けん内ない核かく実じっ験けん

noun

atmospheric nuclear test

Refers to a nuclear weapon test conducted in the atmosphere, as opposed to underground or underwater. Often used in historical or arms-control contexts.

See also: 地下核実験

• 大たい気き圏けん内ない核かく実じっ験けんは1963年ねんの部ぶ分ぶん的てき核かく実じっ験けん禁きん止し条じょう約やくで禁きん止しされた。

  Atmospheric nuclear tests were banned by the Partial Test Ban Treaty of 1963.