Atomic pile and Breeder reactor

Atomic pile noun - A nuclear reactor that uses controlled nuclear fission to generate energy.

Breeder reactor and atomic pile are semantically related In some cases you can use "Breeder reactor" instead a noun phrase "Atomic pile".

Breeder reactor noun - A nuclear reactor that produces more fissile material than it burns.

Atomic pile and breeder reactor are semantically related in atomic reactor topic. You can use "Atomic pile" instead a noun phrase "Breeder reactor".