Chain reactor and Reactor pile

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

Reactor pile and chain reactor are semantically related in atomic reactor topic. In some cases you can use "Reactor pile" instead a noun phrase "Chain reactor", when it comes to topics like nuclear reactor.

Chain reactor and reactor pile are semantically related in atomic reactor topic. You can use "Chain reactor" instead a noun phrase "Reactor pile", if it concerns topics such as nuclear reactor.