Main Entry: Glau·ber's salt

Pronunciation: \ˈglau̇-bər(z)-\

Function: noun

Etymology: Johann R. Glauber †1668 German chemist

Date: 1736

: a colorless crystalline sulfate of sodium Na₂SO₄·10H₂O used especially in dyeing, as a cathartic, and in solar energy systems —sometimes used in plural —called also Glauber salt