atomic pile atomic physics • atomic power · · · Info · Definitions · Synonyms · Characters · · atomic pile · · Text Common · · Latin · · Scripts 11 · · Length 5 · · Syllables Definitions · · · (noun) a nuclear reactor that uses controlled nuclear fission to generate energy. Synonyms: atomic pile, atomic reactor, pile, chain reactor. · · Noun Definition 1 Synonyms · · · atomic reactor · · Synonym 1 pile · · Synonym 2 chain reactor · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074