Definitions

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

  • n. A colorless vitreous potassium chloride mineral, the major ore of potassium.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A saline evaporite, consisting of potassium chloride KCl, also found in fumaroles.

from The Century Dictionary and Cyclopedia

  • n. Same as sylvine.

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

  • n. a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds

Etymologies

Alteration of sylvine, from French, from New Latin (sal digestivus) Sylvii, (digestive salt) of Sylvius, probably after Franz de la Boë, or Franciscus Sylvius (1614-1672), German-born Dutch physician.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Late Latin sal digestivus sylvii, potassium chloride, and -ite. (Wiktionary)

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