A free service provided by Writers Nexus International
sodium hydroxide Definition
sodium hydroxidenoun 1. chem.(formula NaOH) a white crystalline solid that dissolves in water to form a highly corrosive alkaline solution, and is used in the manufacture of soap, detergents, pharmaceuticals, oven cleaners, rayon and paper, and in petroleum refining and the chemical industry. Also called caustic soda, soda.