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A nuclear bomb, especially a hydrogen bomb, that derives its released energy principally from fusion reactions among light nuclei.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Firearms, Gunnery, Ordnance & Artillery) 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 or fission-fusion bomb See also hydrogen bomb
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a bomb, more powerful than an atomic bomb, that derives its explosive energy from the thermonuclear fusion reaction of hydrogen isotopes. Also called H-bomb.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||fusion bomb - a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium|
bomb - an explosive device fused to explode under specific conditions
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