actinotherapy actinotherapeutics • actinotoxemia · · · Info · Definitions · Synonyms · Characters · · actinotherapy · · Text Latin · · Script 13 · · Length 6 · · Syllables Definitions · · · (noun) (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance. Synonyms: radiotherapy, radiation therapy, radiation, irradiation. · · Noun Definition 1 Synonyms · · · radiotherapy · · Synonym 1 radiation therapy · · Synonym 2 radiation · · Synonym 3 irradiation · · Synonym 4 Characters · · 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 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 y latin small letter y U+0079