dideoxycytosine Didelphyidae • dideoxyinosine · · · Info · Definitions · Synonyms · Characters · · dideoxycytosine · · Text Latin · · Script 15 · · Length 7 · · Syllables Definitions · · · (noun) an antiviral drug used to combat HIV infection. Synonyms: ddC, DDC, zalcitabine. · · Noun Definition 1 Synonyms · · · ddc · · Synonym 1 zalcitabine · · Synonym 2 Characters · · c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 x latin small letter x U+0078 y latin small letter y U+0079