/glow"beuhrz/
the decahydrate form of sodium sulfate, a colorless, crystalline, water-soluble solid, Na 2 SO 4 10H 2 O, used chiefly in textile dyeing and as a cathartic.
Also, Glauber salt .
[ 1730-40; named after J. R. Glauber (1604-68), German chemist ]