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atom bomb

 - 5 dictionary results

at⋅om-bomb

  [at-uhm-bom]
–verb (used with object)
1. to bomb (a target) with an atomic bomb.
–verb (used without object)
2. to atom-bomb a target.
Origin:
1940–45

atomic bomb

 
–noun
1. a bomb whose potency is derived from nuclear fission of atoms of fissionable material with the consequent conversion of part of their mass into energy.
2. a bomb whose explosive force comes from a chain reaction based on nuclear fission in U-235 or plutonium.
Also, atom bomb.
Also called A-bomb, fission bomb.

Origin:
1910–15
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To atom bomb
atom bomb  
n.  

  1. An explosive weapon of great destructive power derived from the rapid release of energy in the fission of heavy atomic nuclei, as of uranium 235. Also called A-bomb, atomic bomb, fission bomb.

  2. A bomb deriving its destructive power from the release of nuclear energy.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Cultural Dictionary

atomic bomb

A bomb that is powered by nuclear fission, and therefore produces a quick release of energy and great destruction.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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