(transitive) to combine or treat with sulphur or a sulphur compound
adjective 1. sulfurous (defs 1, 2). 2. pertaining to the fires of hell; hellish or satanic. 3. fiery or heated. adjective 1. Also sulphureous. of, relating to, or resembling sulphur: a sulphurous colour 2. of or containing sulphur with an oxidation state of 4: sulphurous acid 3. of or relating to hellfire 4. hot-tempered
- Sulphurous acid
noun 1. an unstable acid produced when sulphur dioxide dissolves in water: used as a preservative for food and a bleaching agent. Formula: H2SO3 Systematic name sulphuric(IV) acid
noun 1. a town in NE Texas.
- Sulphur trioxide
noun 1. a white corrosive substance existing in three crystalline forms of which the stable (alpha-) form is usually obtained as silky needles. It is produced by the oxidation of sulphur dioxide, and is used in the sulphonation of organic compounds. Formula: SO3 Systematic name sulphur(VI) oxide