Definitions

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

  • n. See atom bomb.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A nuclear weapon that obtains its destructive energy from nuclear fission

from the GNU version of the Collaborative International Dictionary of English

  • adj. see atom bomb in the vocabulary.

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)

Etymologies

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