- a mineral, hydrous sulfate of magnesium and potassium chloride, occurring in granular crystalline masses, a source of potassium salts.
Origin of kainite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for kainite
Acid phosphate and kainite added to the manure may pay handsomely.Agriculture for Beginners
Charles William Burkett
Kainite, kī′nīt, n. a hydrated compound of the chlorides and sulphates of magnesium and potassium, used as a fertiliser.
Copperas or blue stone, kainite and superphosphate are sometimes used for the same purpose.The First Book of Farming
Charles L. Goodrich
- a white mineral consisting of potassium chloride and magnesium sulphate: a fertilizer and source of potassium salts. Formula: KCl.MgSO 4 .3H 2 O
C19: from German Kainit, from Greek kainos new + -ite 1