from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An evaporite mineral, K2Mg2(SO4)3, used as a source of potassium sulfate for fertilizer.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A saline evaporite, consisting of a mixed potassium and magnesium sulphate, with the chemical formula K2Mg2(SO4)3.
from The Century Dictionary and Cyclopedia
- n. A potassium-magnesium sulphate (K2Mg2(SO4)3) occurring in colorless isometric crystals. It is found with rock-salt at various localities in Germany.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a mineral consisting of potassium magnesium double sulphate; used as a fertilizer
After A. Langbein, 19th-century German chemist.(American Heritage® Dictionary of the English Language, Fourth Edition)