very destructive bomb whose immense power comes from a chain reaction of nuclear fission
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Atomic bomb Definition from Language, Idioms & Slang Dictionaries & Glossaries
Noun
1. 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)
(synonym) atom bomb, A-bomb, fission bomb, plutonium bomb
(hypernym) nuclear weapon
(hyponym) clean bomb
(part-meronym) plutonium trigger, plutonium pit
Atomic bomb Definition from Entertainment & Music Dictionaries & Glossaries
Atomic bomb Definition from Encyclopedia Dictionaries & Glossaries
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission or a combination of fission and fusion. Both reactions release vast quantities of energy from relatively small amounts of matter. The first fission ("atomic") bomb test released the same amount of energy as approximately 20,000 tons of TNT. The first thermonuclear ("hydrogen") bomb test released the same amount of energy as approximately 10,000,000 tons of TNT.
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