atom bomb
NounOpen English WordNet
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)Synonyms: atomic bombA-bombfission bombplutonium bombType of nuclear weapon, bombKinds neutron bomb, dirty bomb, clean bombParts plutonium trigger, plutonium pit
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Webster's Dictionary (1913)
At′om bomb′, A·tom′ic bomb′ noun
a bomb of great power in which the explosive energy is derived from the nuclear fission of a fissionable material, such as plutonium or uranium-235. It is a type of nuclear weapon. The strength of an atom bomb is measured in kilotons, i.e. the equivalent energy released by explosion of a thousand tons of TNT. The first atomic bomb was manufactured in 1945. Syn. — A-bomb, fission bomb.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54 · with additions: GCIDE editors