oxacillin oxacid • oxadiazole · · · Info · Definitions · Characters · · oxacillin · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) a form of penicillin resistant to penicillinase and effective against penicillin-resistant staphylococci. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F x latin small letter x U+0078