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hydrogen bomb
5 dictionary results for: hydrogen bomb
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
hydrogen bomb
–noun
a bomb, more powerful than an atomic bomb, that derives its explosive energy from the thermonuclear fusion reaction of hydrogen isotopes.


[Origin: 1945–50]
American Heritage Dictionary - Cite This Source - Share This
hydrogen bomb  
n.   An explosive weapon of enormous destructive power caused by the fusion of the nuclei of various hydrogen isotopes in the formation of helium nuclei.

WordNet - Cite This Source - Share This
hydrogen bomb

noun
a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium 

The American Heritage Science Dictionary - Cite This Source - Share This
hydrogen bomb  
An extremely destructive bomb whose explosive power is derived from the energy released when hydrogen atoms are fused to form helium. This atomic fusion reaction is the same reaction that takes place in stars like the Sun, where the pressure of gravity forces hydrogen atoms to fuse; a hydrogen bomb uses the force of an atomic explosion (the fission reaction exploited in atomic bombs) to compress the hydrogen to the point where fusion takes place. Hydrogen bombs are many times more powerful than atomic bombs.

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
hydrogen bomb

A nuclear weapon with enormous explosive power, fueled by nuclear fusion, in which atoms of hydrogen combine to form atoms of helium.


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