alpha radiation alpha privative • alpha radiator · · · Info · Definitions · Synonyms · Characters · · alpha radiation · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) the radiation of alpha particles during radioactive decay. Synonyms: alpha radiation, alpha ray. · · Noun Definition 1 Synonyms · · · alpha ray · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 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 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074