n. A weapon of great explosive power, such as an atomic bomb or a hydrogen bomb, which depends for most of its explosive power on the release of energy from within atomic nuclei by a nuclear reaction. A fission weapon or a fusion weapon. The term includes atomic shells for cannon. [ PJC ]
[ひかくさんげんそく, hikakusangensoku](n) Japan's three antinuclear principles (against producing, possessing and allowing the entry of nuclear weapons into Japanese territory)[Add to Longdo]