transcriptase transcript • transcription · · · Info · Definitions · Synonyms · Characters · · transcriptase · · Text Latin · · Script 13 · · Length 3 · · Syllables Definitions · · · (noun) the enzyme that copies DNA into RNA. Synonyms: RNA polymerase. · · Noun Definition 1 Synonyms · · · rna polymerase · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074