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Synonyms

fissionable

American  
[fish-uh-nuh-buhl] / ˈfɪʃ ə nə bəl /

adjective

Physics.
  1. capable of or possessing a nucleus or nuclei capable of undergoing fission.

    a fissionable nucleus; fissionable material.


fissionable British  
/ ˈfɪʃənəbəl /

adjective

  1. capable of undergoing nuclear fission as a result of any process Compare fissile

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • fissionability noun
  • nonfissionable adjective

Etymology

Origin of fissionable

First recorded in 1940–45; fission + -able

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Oppenheimer once called the atomic bomb “a weapon for aggressors” wherein “the elements of surprise and terror are as intrinsic to it as are the fissionable nuclei.”

From Washington Times

When the pieces came together, they created a supercritical mass of fissionable, explosive uranium.

From Los Angeles Times

Such a big presence would be needed to secure and remove WMD any materials with "enough fissionable plutonium and uranium by build up to 75 weapons by 2020," the report said.

From Fox News

Any such claim should be “objectively” true, relating to weapons, war, fissionable nuclear materials or an “emergency in international relations”, according to the ruling.

From Reuters

Meanwhile, the National Nuclear Security Administration and Department of Defense have floated the idea of converting surplus weapons-grade plutonium at SRS into “pits” - the fissionable core of bombs.

From Washington Times