'Thenardite' definitions:
Definition of 'Thenardite'
From: GCIDE
- Thenardite \The*nard"ite\, n. [Named after the French chemist, L. J. Th['e]nard.] (Min.) Anhydrous sodium sulphate, a mineral of a white or brown color and vitreous luster. [1913 Webster]