#nuclear_weapon__nuclearweapon  a weapon of mass destruction whose explosive power derives from a nuclear reaction
  supertype:  weapon__weapon_system__arm  instrument used in fighting or hunting; "he was licensed to carry a weapon"
  part:  atomic_warhead
  subtype:  atom_bomb__atomic_bomb__A-bomb__fission_bomb__fissionbomb__plutonium_bomb__plutoniumbomb  a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element (uranium 235 or plutonium 239))
     subtype:  neutron_bomb__neutronbomb  atom bomb that produces lethal neutrons with less blast
  subtype:  hydrogen_bomb__H-bomb__fusion_bomb__thermonuclear_bomb__thermonuclearbomb  a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
  subtype:  megaton_bomb__megatonbomb  a nuclear weapon with an explosive power equivalent to one million tons of TNT

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