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fission bomb

Definitions of fission bomb
  1. noun
    a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239)
    synonyms: A-bomb, atom bomb, atomic bomb, plutonium bomb
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    types:
    clean bomb
    an atom bomb leaving little or no radioactive contamination
    dirty bomb
    an atom bomb that leaves considerable radioactive contamination
    neutron bomb
    atom bomb that produces lethal neutrons with less blast
    type of:
    bomb
    an explosive device fused to explode under specific conditions
    atomic weapon, nuclear weapon
    a weapon of mass destruction whose explosive power derives from a nuclear reaction
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