What is another word for chain-reacting pile?
Pronunciation: [t͡ʃˈe͡ɪnɹɪˈaktɪŋ pˈa͡ɪl] (IPA) 
Chain-reacting pile is a scientific term that refers to a nuclear reactor, where a chain reaction takes place, and the neutrons produced by the fission of atomic nuclei are used to produce energy. Some synonyms for this term include atomic pile, nuclear pile, and fission reactor. These words describe the same concept but vary in their usage depending on the context. For instance, atomic pile is a more historical term used in the early nuclear experiments of the 1940s, while nuclear pile is more commonly used in nuclear engineering studies. Fission reactor is a term often used in modern scientific literature for chain-reacting piles that produce energy.
