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atomic bomb
Also
[uh-tom-ik bom]
noun
a bomb whose potency is derived from nuclear fission of atoms of fissionable material with the consequent conversion of part of their mass into energy.
a bomb whose explosive force comes from a chain reaction based on nuclear fission in U-235 or plutonium.
atomic bomb
noun
Also called: A-bomb. fission bomb.a type of bomb in which the energy is provided by nuclear fission. Uranium-235 and plutonium-239 are the isotopes most commonly used in atomic bombs Compare fusion bomb
atomic bomb
A very destructive bomb that derives its explosive power from the fission of atomic nuclei. Atomic bombs usually have plutonium 239 or uranium 235 as their fissionable material.
Also called atom bomb
atomic bomb
2A nuclear weapon whose enormous explosive power results from the sudden release of energy from a fission reaction. (See also Hiroshima (see also Hiroshima), hydrogen bomb, Nagasaki, and Strategic Arms Limitation Talks [SALT].)
51Թ History and Origins
Origin of atomic bomb1
Example Sentences
In the intervening years, Tehran has steadily overstepped the 2015 agreement's limits on its nuclear programme, designed to make it harder to develop an atomic bomb.
And the Enola Gay aircraft that dropped an atomic bomb on Japan was initially flagged for removal from Pentagon documents, apparently due to the word "gay".
It produced more energy than the atomic bomb dropped on Hiroshima, according to the US Geological Survey.
St Louis, meanwhile, was where uranium was refined and used to help create the atomic bomb as part of the Manhattan Project.
It was like somebody dropped an atomic bomb.”
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