Dictionary.com
definitions
  • synonyms

nuclear fission

See more synonyms for nuclear fission on Thesaurus.com
noun
  1. fission(def 2).
Show More

Origin of nuclear fission

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

fissionnucleonicssplitting

British Dictionary definitions for nuclear fission

nuclear fission

noun
  1. the splitting of an atomic nucleus into approximately equal parts, either spontaneously or as a result of the impact of a particle usually with an associated release of energySometimes shortened to: fission Compare nuclear fusion
Show More
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