karyon karyomitotic • karyoplasm · · · Info · Definitions · Synonyms · Characters · · karyon · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a part of the cell containing DNA and RNA and responsible for growth and reproduction. Synonyms: nucleus, cell nucleus. · · Noun Definition 1 Synonyms · · · nucleus · · Synonym 1 cell nucleus · · Synonym 2 Characters · · a latin small letter a U+0061 k latin small letter k U+006B n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 y latin small letter y U+0079