時計とけい信しん管かん

noun

time fuse

Technical term for a fuse that detonates after a set time, commonly used with high explosives. Often encountered in military or demolition contexts.

• 時計とけい信しん管かんは設せっ定ていした時じ間かんが経けい過かすると爆ばく薬やくを起き爆ばくさせる。

  A time fuse detonates the explosive after the set time has elapsed.

• この爆ばく弾だんには時計とけい信しん管かんが組くみ込こまれている。

  This bomb is equipped with a time fuse.