kainite

[ kahy-nahyt, key- ]

Phonetic (Standard)IPA

noun

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

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

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Origin of kainite¹

From the German word Kainit, dating back to 1865–70. See caino-, -ite ¹

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Origin of kainite¹

C19: from German Kainit, from Greek kainos new + -ite ¹

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

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.

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