1.n. Anhydrous sodium sulphate, a mineral of a white or brown color and vitreous luster.
Medical Definition of Thenardite
1. Anhydrous sodium sulphate, a mineral of a white or brown colour and vitreous luster.
Origin: Named after the French chemist, L.J.Thenard.
Source: Websters Dictionary
(01 Mar 1998)