a type of Portland cement that resists normal concentrations of sulphates: used in concrete for flues and underwater work
verb (used with object), sulphatised, sulphatising. 1. Chiefly British. sulfatize. verb (used with object), sulfatized, sulfatizing. 1. to convert into a sulfate, as by the roasting of ores.
noun 1. a compound of sulphur with a more electropositive element 2. another name for thio-ether
noun 1. (modifier) another term (no longer in technical usage) for thionyl
noun 1. any salt or ester of sulphurous acid, containing the ions SO32– or HSO3– (hydrogen sulphite) or the groups –SO3 or –HSO3. The salts are usually soluble crystalline compounds