fast reactor

/fæst riˌæktər/
IPA guide

Definitions of fast reactor
  1. noun
    nuclear reactor in which nuclear fissions are caused by fast neutrons because little or no moderator is used
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    antonyms:
    thermal reactor
    a nuclear reactor in which nuclear fissions are caused by neutrons that are slowed down by a moderator
    type of:
    nuclear reactor, reactor
    (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements
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