sulfanilamide

sul fa nil a mide |ˌsəlfəˈniləˌmīd ˌsəlfəˈnɪləmaɪd |(chiefly Brit. also sulphanilamide ) ▶noun Medicine a synthetic compound with antibacterial properties that is the basis of the sulfonamide drugs. [Alternative name: p -aminobenzenesulfonamide; chem. formula: (H 2 N )C 6 H 4 (SO 2 NH 2 ).] ORIGIN 1930s: from sulfanilic (from sulfur + aniline + -ic ) + amide .