近きん接せつ信しん管かん

noun

proximity fuze; influence fuze; VT fuze

Military term for a fuze that detonates a projectile when it comes near a target, without requiring direct contact. Also known as a variable-time (VT) fuze.

• 近きん接せつ信しん管かんは、目もく標ひょうに近ちかづいただけで爆ばく発はつする仕し組くみだ。

  A proximity fuze is a mechanism that detonates just by approaching the target.

• 第だい二に次じ世せ界かい大たい戦せんで、近きん接せつ信しん管かんは対たい空くう砲ほう弾だんに使つかわれた。

  In World War II, proximity fuzes were used in anti-aircraft shells.