rna polymerase rna • rnase · · · Info · Definitions · Synonyms · Characters · · rna polymerase · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) the enzyme that copies DNA into RNA. Synonyms: transcriptase, RNA polymerase. · · Noun Definition 1 Synonyms · · · transcriptase · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 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 r latin small letter r U+0072 s latin small letter s U+0073 y latin small letter y U+0079