fissile

[ fis-uhl ]

adjective
  1. capable of being split or divided; cleavable.

  2. Physics.

    • (of a nuclide) capable of undergoing fission induced by low-energy neutrons, as uranium 233 and 235.

Origin of fissile

1
1655–65; <Latin fissilis, equivalent to fiss(us) (see fissi-) + -ilis-ile

Other words from fissile

  • fis·sil·i·ty, noun
  • non·fis·sile, adjective
  • non·fis·sil·i·ty, noun
  • un·fis·sile, adjective

Words Nearby fissile

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use fissile in a sentence

British Dictionary definitions for fissile

fissile

/ (ˈfɪsaɪl) /


adjective
  1. British capable of undergoing nuclear fission as a result of the impact of slow neutrons

  2. US and Canadian another word for fissionable

  1. tending to split or capable of being split

Origin of fissile

1
C17: from Latin fissilis, from fissus split; see fissi-

Derived forms of fissile

  • fissility (fɪˈsɪlɪtɪ), noun

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