FBR Definition
fast-breeder reactor
noun
- 1. A type of nuclear reactor in which the neutrons produced during nuclear fission are not slowed down by a moderator, but are used to produce more of the same nuclear fuel, with at least as much fuel being produced as is consumed by the reactor. Compare breeder reactor.
FBR
abbreviation
- 1. Fast-breeder reactor or fast-breeder reactors.
