salt cake


noun Chemistry.

an impure form of sodium sulfate, especially as obtained by the interaction of sulfuric acid and common salt in the synthesis of hydrochloric acid: used chiefly in the manufacture of glass, ceramic glazes, soaps, and sodium salts.

Origin of salt cake

First recorded in 1695–1705

Example sentences from the Web for salt cake

British Dictionary definitions for salt cake

salt cake

noun

an impure form of sodium sulphate obtained as a by-product in several industrial processes: used in the manufacture of detergents, glass, and ceramic glazes