atomic bomb

Cultural Dictionary
atomic bomb (A-bomb)

A nuclear weapon whose enormous explosive power results from the sudden release of energy from a fission reaction. (See also Hiroshima, hydrogen bomb, Nagasaki, and Strategic Arms Limitation Talks [SALT].)

American Heritage
Cultural Dictionary

atomic bomb definition


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.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature