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Definitions

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

  • adj. Of, relating to, or derived from the fusion of atomic nuclei at high temperatures: thermonuclear reactions.
  • adj. Of, relating to, or characterized by the use of atomic weapons based on fusion, especially as distinguished from those based on fission: thermonuclear war.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of, or relating to the fusion of atomic nuclei at high temperatures.
  • adj. Of, or relating to the use of atomic weapons based on such fusion, especially as distinguished from those based on fission.

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

  • adj. using nuclear weapons based on fusion as distinguished from fission

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