'Kainite' definitions:
Definition of 'kainite'
(from WordNet)
noun
A white mineral consisting of magnesium sulphate and potassium chloride; a source of potassium salts; used as a fertilizer
Definition of 'Kainite'
From: GCIDE
- Kainite \Kai"nite\, n. [Gr. ? recent.] (Min.) A compound salt consisting chiefly of potassium chloride and magnesium sulphate, occurring at the Stassfurt salt mines in Prussian Saxony. [1913 Webster]