Main Entry: sul·fa·nil·amide

Variant(s): or chiefly British sul·pha·nil·amide \ˌsəl-fə-ˈnil-ə-ˌmīd, -məd\

Function: noun

: a crystalline sulfonamide C₆H₈N₂O₃S that is the amide of sulfanilic acid and the parent compound of most of the sulfa drugs