dolomite

[ doh-luh-mahyt, dol-uh- ]

/ ˈdoʊ ləˌmaɪt, ˈdɒl ə- /

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noun

a very common mineral, calcium magnesium carbonate, CaMg(CO3)2, occurring in crystals and in masses.

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

OTHER WORDS FROM dolomite

dol·o·mit·ic

[dol-uh-mit-ik], /ˌdɒl əˈmɪt ɪk/, adjective

Words nearby dolomite

dolman, dolman sleeve, dolmen, Dolmetsch, Dolní Věstonice, dolomite, dolomite marble, Dolomites, dolomitization, dolomitize, Dolon

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use dolomite in a sentence

Sitting over 300 feet above the confluence of the Wisconsin River and Honey Creek lies Ferry Bluff, a stunning plateau of sandstone and dolomite boasting fantastic river views through forests of ironwood, hackberry, and elm.
The Best View in Every State|awise|January 10, 2022|Outside Online
Up next are tests out in the field on materials like granite, dolomite, limestone, and basalt.
This Robot Tunnels Through Solid Rock by Blasting It With a Jet of Superheated Gas|Jason Dorrier|December 11, 2021|Singularity Hub
In the Dolomite region, especially of recent times, climbing has made extraordinary progress.
Tyrol and its People|Clive Holland
Another remarkable feature of the Permian rocks is the occurrence of great beds of magnesian limestone, or dolomite.
The Story of the Earth and Man|J. W. Dawson

Mixed with carbonate of lime, it forms magnesian limestone and dolomite.
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
Came to hills of dolomite, but all the rocks were covered with white lichens (ash-coloured).
The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume I (of 2), 1866-1868|David Livingstone
Roads all plashy or running with water, oozes full, and rivulets overflowing; rocks of dolomite jutting out here and there.
The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume I (of 2), 1866-1868|David Livingstone

British Dictionary definitions for dolomite

dolomite

/ (ˈdɒləˌmaɪt) /

noun

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)

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

Derived forms of dolomite

dolomitic (ˌdɒləˈmɪtɪk), adjective

Word Origin for dolomite

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

Scientific definitions for dolomite

dolomite

[ dō′lə-mīt′, dŏl′ə-mīt′ ]

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.

A sedimentary rock containing more than 50 percent of the mineral dolomite by weight.