Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A white, brownish, or reddish mineral, KMgCl3·6H2O, an ore of potassium, used to manufacture potash salts.

from The Century Dictionary.

  • noun A milk-white or pink-colored mineral obtained from the salt-mines of Stassfurt, Prussia.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) A hydrous chloride of potassium and magnesium, sometimes found associated with deposits of rock salt.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy A saline evaporite composed of a mixture of potassium chloride and magnesium chloride, with the chemical formula KMgCl3·6H2O.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[After Rudolf von Carnall, (1804–1874), German mining engineer.]

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