释义 |
salt cake noun 1. : anhydrous sodium sulfate Na2SO4; especially : a crude form obtained usually by reaction in a furnace of sulfuric acid on common salt in the manufacture of hydrochloric acid and used chiefly in the sulfate process for wood pulp and in making glass and chemicals 2. : a substance made by reaction of soda ash and sulfur and used in the sulfate pulp process |