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Dolomites

[doh-luh-mahyts, dol-uh-]
noun (used with a plural verb)
  1. a mountain range in N Italy: a part of the Alps. Highest peak, Marmolada, 10,965 feet (3340 meters).
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Also called Dolomite Alps.

dolomite

[doh-luh-mahyt, dol-uh-]
noun
  1. a very common mineral, calcium magnesium carbonate, CaMg(CO3)2, occurring in crystals and in masses.
  2. a rock consisting essentially or largely of this mineral.
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Origin of dolomite

1785–95; < French, named after D. de Dolom(ieu) (1750–1801), French mineralogist; see -ite1
Related formsdol·o·mit·ic [dol-uh-mit-ik] /ˌdɒl əˈmɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for dolomites

Historical Examples

  • When she had him in the Dolomites … She answered him in the same light tone.

    Black Oxen

    Gertrude Franklin Horn Atherton

  • I don't see how your Dolomites could beat this for a honeymoon.

    Black Oxen

    Gertrude Franklin Horn Atherton

  • But of all this nothing to Clavering until they were in the Dolomites.

    Black Oxen

    Gertrude Franklin Horn Atherton

  • We can go to the Dolomites for our second honeymoon—we'll have one every year.

    Black Oxen

    Gertrude Franklin Horn Atherton

  • We will not go to Europe at all—except to visit my Dolomites some day.

    Black Oxen

    Gertrude Franklin Horn Atherton


British Dictionary definitions for dolomites

Dolomites

pl n
  1. a mountain range in NE Italy: part of the Alps; formed of dolomitic limestone. Highest peak: Marmolada, 3342 m (10 965 ft)
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dolomite

noun
  1. a white mineral often tinted by impurities, found in sedimentary rocks and veins. It is used in the manufacture of cement and as a building stone (marble). Composition: calcium magnesium carbonate. Formula: CaMg(CO 3) 2 . Crystal structure: hexagonal (rhombohedral)
  2. a sedimentary rock resembling limestone but consisting principally of the mineral dolomite. It is an important source of magnesium and its compounds, and is used as a building material and refractory
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Derived Formsdolomitic (ˌdɒləˈmɪtɪk), adjective

Word Origin

C18: named after Déodat de Dolomieu (1750–1801), French mineralogist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for dolomites

dolomite

n.

1794, named for French geologist Déodat De Gratet De Dolomieu (1750-1801) who described the rock in his study of the Alps (1791).

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Online Etymology Dictionary, © 2010 Douglas Harper

dolomites in Science

dolomite

[dōlə-mīt′, dŏlə-mīt′]
  1. A gray, pink, or white rhombohedral mineral. Dolomite occurs in curved saddlelike crystals with a pearly to glassy luster. It is a common rock-forming mineral. Chemical formula: CaMg(CO3)2.
  2. A sedimentary rock containing more than 50 percent of the mineral dolomite by weight.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.