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fusion reactor

noun
  1. Physics. a reactor for producing atomic energy by nuclear fusion.Compare reactor(def 4).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for fusion reactor

fusion reactor

noun
  1. a nuclear reactor in which a thermonuclear fusion reaction takes place
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