ALL meanings of sulfanilic acid
sul·fa·nil·ic ac·id
S s - noun sulfanilic acid a grayish-white, crystalline, slightly water-soluble solid, the para form of C 6 H 7 NO 3 S, used chiefly as an intermediate in the manufacture of dyes. 1
- noun sulfanilic acid a colorless, crystalline acid, H2NC6H4SO3H, prepared by heating aniline with sulfuric acid: used in dyes and medicines 0