nucleoplasm nucleopetal • nucleoplasmatic · · · Info · Definitions · Synonyms · Characters · · nucleoplasm · · Text Latin · · Script 11 · · Length Definitions · · · (noun) the protoplasm that constitutes the nucleus of a cell. Synonyms: karyoplasm. · · Noun Definition 1 Synonyms · · · karyoplasm · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 u latin small letter u U+0075