complementary dna complementary distribution • complementary medicine · · · Info · Definitions · Synonyms · Characters · · complementary dna · · Text Common · · Latin · · Scripts 17 · · Length 6 · · Syllables Definitions · · · (noun) single-stranded DNA that is complementary to messenger RNA or DNA that has been synthesized from messenger RNA by reverse transcriptase. Synonyms: complementary DNA, cDNA. · · Noun Definition 1 Synonyms · · · cdna · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 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 t latin small letter t U+0074 y latin small letter y U+0079