dolomite Hear it!

dolomite definition

do·lo·mite (lə mīt′, dälə-)

noun

  1. a light-colored, semihard, rhombohedral mineral, calcium magnesium carbonate, CaMg(CO), with a glassy luster and perfect cleavage, used in making cement, chemicals, etc.
  2. a light-colored sedimentary rock consisting mainly of dolomite and calcite, used as a building stone

Etymology: after Déodat de Dolomieu (1750-1801), Fr geologist

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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