| NOUN | artifact | A-bomb, atom bomb, atomic bomb, fission bomb, plutonium 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) |
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| Meaning | 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). | |
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| Synonyms | atom bomb, atomic bomb, fission bomb, plutonium bomb | |
| Parts | plutonium trigger, plutonium pit | A steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives |
| Narrower | 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 | |
| Broader | bomb | An explosive device fused to explode under specific conditions |
| nuclear weapon, atomic weapon | A weapon of mass destruction whose explosive power derives from a nuclear reaction | |
| Spanish | bomba atómica, bomba de plutonio | |
| Catalan | bomba atòmica, bomba de plutoni | |
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