Cite
 

Meaning of fast-breeder reactor

fast'-breed'er reac"tor

Pronunciation: (fast'brē'dur, fäst'-), [key]
— Physics. Physics.
  1. a breeder reactor in which there is no moderator and fission is caused by high-energy neutrons.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.