地ち下か核かく実じっ験けん

noun

underground nuclear test

Refers to a nuclear weapons test conducted below the earth's surface. Often used in political, military, and environmental contexts.

See also: 大気圏内核実験

• その国くには地ち下か核かく実じっ験けんを行おこなったと発はっ表ぴょうした。

  That country announced that it had conducted an underground nuclear test.

• 地ち下か核かく実じっ験けんの禁きん止しを求もとめる声こえが高たかまっている。

  Calls for a ban on underground nuclear testing are growing.