- sulfa drug, sulfa, sulpha, sulfonamide - antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA
--1 is a kind of antibacterial, antibacterial drug, bactericide
--1 has particulars:sulfacetamide, Sulamyd; sulfadiazine; sulfamethazine, sulfamezathine; sulfamethoxazole, Gantanol; sulfanilamide; sulfapyridine; sulfisoxazole, Gantrisin; Thiosulfil