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nuclear fission

fission (def 2).
Origin of nuclear fission
1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for nuclear fission
Historical Examples
  • If it's not a new wrinkle in nuclear fission, it's a gun to shoot around corners and down winding staircases.

    Belly Laugh Gordon Randall Garrett
  • Some foreign power, concerned about this country's growing mastery of nuclear fission?

    Twelve Times Zero Howard Carleton Browne
British Dictionary definitions for nuclear fission

nuclear fission

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 energy Sometimes shortened to fission Compare nuclear fusion
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
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