nuclear weapon(n = noun.artifact) atomic weapon - a weapon of mass destruction whose explosive power derives from a nuclear reaction;
is a kind of w.m.d., weapon of mass destruction, wmd
has parts: atomic warhead, nuclear warhead, nuke, thermonuclear warhead
has particulars: a-bomb, atom bomb, atomic bomb, fission bomb, plutonium bomb, fusion bomb, h-bomb, hydrogen bomb, thermonuclear bomb, megaton bomb

   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]

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