nuclear physics nuclear physicist • nuclear power · · · Info · Definitions · Synonyms · Characters · · nuclear physics · · Text Common · · Latin · · Scripts 15 · · Length 4 · · Syllables Definitions · · · (noun) the branch of physics that studies the internal structure of atomic nuclei. Synonyms: nuclear physics, atomic physics, nucleonics. · · Noun Definition 1 Synonyms · · · atomic physics · · Synonym 1 nucleonics · · Synonym 2 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 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075 y latin small letter y U+0079