• synonyms


[ kahy-nahyt, key- ]
/ ˈkaɪ naɪt, ˈkeɪ- /


a mineral, hydrous sulfate of magnesium and potassium chloride, occurring in granular crystalline masses, a source of potassium salts.

Nearby words

kailyard school, kain, kainga, kaingang, kainic acid, kainite, kainogenesis, kairouan, kaiseki, kaiser, kaiser roll

Origin of kainite

From the German word Kainit, dating back to 1865–70. See caino-, -ite1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for kainite

  • Copperas or blue stone, kainite and superphosphate are sometimes used for the same purpose.

    The First Book of Farming|Charles L. Goodrich
  • Kainite, kī′nīt, n. a hydrated compound of the chlorides and sulphates of magnesium and potassium, used as a fertiliser.

  • Acid phosphate and kainite added to the manure may pay handsomely.

    Agriculture for Beginners|Charles William Burkett

British Dictionary definitions for kainite


/ (ˈkaɪnaɪt) /


a white mineral consisting of potassium chloride and magnesium sulphate: a fertilizer and source of potassium salts. Formula: KCl.MgSO 4 .3H 2 O

Word Origin for kainite

C19: from German Kainit, from Greek kainos new + -ite 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012