信しん管かんしんかんFreq.FrequencyTop 50,000Meanings1nounfuse; detonatorRefers to a device that initiates an explosive, such as in bombs, shells, or fireworks. Technical term.爆ばく弾だんの信しん管かんが作さ動どうした。The bomb's fuse activated.時じ限げん信しん管かんをセットする。Set the time fuse.