WordReference Random House Unabridged Dictionary of American English © 2017
fusion bomb′. 
  • MilitarySee  hydrogen bomb. 
    • 1945–50

    Collins Concise English Dictionary © HarperCollins Publishers::

    fusion bomb n
    1. a type of bomb in which most of the energy is provided by nuclear fusion, esp the fusion of hydrogen isotopes
      Also called: thermonuclear bomb, fission-fusion bomb

    'fusion bomb' also found in these entries:

    Word of the day: Intermediate+ burst

    Report an inappropriate ad.