gamma radiation gamma moth • gamma ray · · · Info · Definitions · Synonyms · Characters · · gamma radiation · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) electromagnetic radiation emitted during radioactive decay and having an extremely short wavelength. Synonyms: gamma radiation, gamma ray. · · Noun Definition 1 Synonyms · · · gamma ray · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 g latin small letter g U+0067 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074