tumor virus tumor suppressor gene • tumour · · · Info · Definitions · Characters · · tumor virus · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) a cell-free filtrate held to be a virus responsible for a specific neoplasm. Synonyms: tumor virus. · · Noun Definition 1 Characters · · space U+0020 i latin small letter i U+0069 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 t latin small letter t U+0074 u latin small letter u U+0075 v latin small letter v U+0076