a yellow or brick-red, crystalline, deliquescent, water-soluble solid, Na 2 S, used chiefly in the manufacture of dyes, soaps, and rubber, as a depilatory for leather, and in the flotation of powdered lead and copper ores.
noun, Chemistry. 1. a white, crystalline, water-soluble solid, Na 2 SO 3 , used chiefly as a food preservative, as a bleaching agent, and as a developer in photography.
- Sodium sulphate
noun 1. a solid white substance that occurs naturally as thenardite and is usually used as the white anhydrous compound (salt cake) or the white crystalline decahydrate (Glauber’s salt) in making glass, detergents, and pulp. Formula: Na2SO4
noun, Chemistry. 1. borax1 .
noun, Chemistry, Pharmacology. 1. a white powder or colorless, deliquescent crystals, NaSCN, used chiefly in organic synthesis and in medicine in the treatment of hypertension.