glioblastoma glinting • glioma · · · Info · Definitions · Synonyms · Characters · · glioblastoma · · Text Latin · · Script 12 · · Length 4 · · Syllables Definitions · · · (noun) a fast-growing malignant brain tumor composed of spongioblasts; nearly always fatal. Synonyms: spongioblastoma. · · Noun Definition 1 Synonyms · · · spongioblastoma · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074