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

  • n. A white to dark gray amphibole mineral, Ca2Mg5Si8O22(OH)2, typically occurring in aggregates and used as a substitute for asbestos and in paints and ceramics.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A pale grey/green amphibole mineral that is a mixed calcium and magnesium silicate, with the chemical formula Ca2Mg5Si8O22(OH)2; sometimes used in place of asbestos.

from the GNU version of the Collaborative International Dictionary of English

  • n. A white variety of amphibole, or hornblende, occurring in long, bladelike crystals, and coarsely fibrous masses.

from The Century Dictionary and Cyclopedia

  • n. A variety of amphibole, having usually a white to gray color, and occurring in fibrous or columnar crystalline masses.

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

  • n. a white or pale green mineral (calcium magnesium silicate) of the amphibole group used as a form of asbestos


French trémolite, after Tremola, a valley in the Swiss Alps.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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