Definition of nitrosylsulphuric acid in English:

nitrosylsulphuric acid

noun

Chemistry
  • A crystalline acid, HO.SO₂.ONO, which forms as an intermediate during the manufacture of sulphuric acid by the lead chamber process and is used (in sulphuric acid solution) for bleaching cereal milling products and for dye manufacture.

Origin

Late 19th century.