noun
Abbreviation of 電波探知機 (でんぱたんちき). Used in technical or military contexts, similar to 'radar' in English.
See also: 電波探知機
艦船に搭載された電探が敵機を捉えた。
The radar mounted on the ship detected the enemy aircraft.
電探の開発は戦時中に急速に進んだ。
Radar development advanced rapidly during the war.