Atomic pile and Chain-reacting pile

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

Chain-reacting pile and atomic pile are semantically related. in nuclear reactor topic. In some cases you can use "Chain-reacting pile" instead a noun phrase "Atomic pile".

Atomic pile and chain-reacting pile are semantically related. Sometimes you can replace phrase "Atomic pile" with "Chain-reacting pile", this phrases are similar.