atom bomb
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) (Freq. 1) • Syn: atomic bomb, A-bomb, fission bomb, plutonium bomb • Hypernyms: nuclear weapon, atomic weapon, bomb • Hyponyms: clean bomb, dirty bomb, neutron bomb • Part Meronyms: plutonium trigger, plutonium pit
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