rhabdomyosarcoma rhabdomyoma • rhabdomysarcoma · · · Info · Definitions · Synonyms · Characters · · rhabdomyosarcoma · · Text Latin · · Script 16 · · Length Definitions · · · (noun) a highly malignant neoplasm derived from striated muscle. Synonyms: rhabdosarcoma. · · Noun Definition 1 Synonyms · · · rhabdosarcoma · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 h latin small letter h U+0068 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 y latin small letter y U+0079