from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A white, brownish, or reddish mineral, KMgCl3·6H2O, an ore of potassium, used to manufacture potash salts.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A saline evaporite composed of a mixture of potassium chloride and magnesium chloride, with the chemical formula KMgCl3·6H2O.
from the GNU version of the Collaborative International Dictionary of English
- n. A hydrous chloride of potassium and magnesium, sometimes found associated with deposits of rock salt.
from The Century Dictionary and Cyclopedia
- n. A milk-white or pink-colored mineral obtained from the salt-mines of Stassfurt, Prussia.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. 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
After Rudolf von Carnall (1804-1874), German mining engineer.(American Heritage® Dictionary of the English Language, Fourth Edition)