Beta particle – Simply said: A particle emitted from an atom during radioactive decay. Beta particles are generally electrons (with…
Biological shield: A mass of absorbing material (eg thick concrete walls) placed around a reactor or radioactive material to reduce the…
Boiling water reactor (BWR): A common type of light water reactor (LWR), where water is allowed to boil in the core…
Breed: To form fissile nuclei, usually as a result of neutron capture, possibly followed by radioactive decay.
Breeder reactor: see Fast Breeder Reactor and Fast Neutron Reactor.