Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An explosive weapon of great destructive power derived from the rapid release of energy in the fission of heavy atomic nuclei, as of uranium 235. Also called A-bomb, atomic bomb, fission bomb.
  • n. A bomb deriving its destructive power from the release of nuclear energy.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Alternative form of atomic bomb.

from the GNU version of the Collaborative International Dictionary of English

  • n. 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.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. 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)
  • v. bomb with atomic weapons

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