blastocytoma blastocyte • blastoderm · · · Info · Definitions · Synonyms · Characters · · blastocytoma · · Text Latin · · Script 12 · · Length 5 · · Syllables Definitions · · · (noun) a tumor composed of immature undifferentiated cells. Synonyms: blastoma, embryonal carcinosarcoma. · · Noun Definition 1 Synonyms · · · blastoma · · Synonym 1 embryonal carcinosarcoma · · Synonym 2 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 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 y latin small letter y U+0079