lime·​stone | \ ˈlīm-ˌstōn How to pronounce limestone (audio) \

Definition of limestone

: a rock that is formed chiefly by accumulation of organic remains (such as shells or coral), consists mainly of calcium carbonate, is extensively used in building, and yields lime when burned

Examples of limestone in a Sentence

Recent Examples on the Web The brick and limestone gates, once a small piece of the sprawling Armour meatpacking campus, are among the last vestiges of an industry that once defined South St. Paul. Erin Adler, Star Tribune, "South St. Paul weighs fate of historic Armour gates, a relic of the meatpacking industry," 15 Feb. 2021 Patrick Cagle, president of the organization, said the expansion and rebranding will give the organization room to grow, particularly among companies that run limestone, aggregate or gravel quarries. Dennis Pillion |, al, "Alabama Coal Association expands to represent other mining operations," 11 Feb. 2021 Among the stunning examples of ancient Roman artistry are elaborate mosaics and frescoes, a marble staircase, capitals of colored marble and limestone, and an imperial guard’s bronze brooch inset with gold and mother-of-pearl. New York Times, "Caligula’s Garden of Delights, Unearthed and Restored," 12 Jan. 2021 The bedrock beneath the Robertson Glacier in Alberta, Canada contains limestone, shale, and sandstone. Kate Baggaley, Popular Science, "Glacier-dwelling bacteria thrive on chemical energy derived from rocks and water," 30 Dec. 2020 Conventional reservoirs, where extraction widely took place before the fracking boom, involve tapping into more permeable, spongier rocks, such as limestone, from which oil and gas flows, usually without artificial pressure. Jinjoo Lee, WSJ, "Fracking: From Breaking Shale to Breaking Even," 21 Dec. 2020 Clad in limestone and glass, the house is approached by a courtyard complete with olive trees and a koi pond. Los Angeles Times, "Hot Property newsletter: A cross-country real estate trek," 19 Dec. 2020 Its face is carved limestone set inside a two-story panel. Judy Rose, Detroit Free Press, "Lifetime collection of architectural antiques are built into Ann Arbor home," 23 Jan. 2021 Porous limestone promotes the formation of speleothems, or mineral deposits formed by water precipitating through rock. Rachel Nuwer, Scientific American, "The World’s Oldest Animal Paintings Are on This Cave Wall," 14 Jan. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'limestone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of limestone

14th century, in the meaning defined above

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Time Traveler for limestone

Time Traveler

The first known use of limestone was in the 14th century

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Statistics for limestone

Last Updated

24 Feb 2021

Cite this Entry

“Limestone.” Dictionary, Merriam-Webster, Accessed 5 Mar. 2021.

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More Definitions for limestone



English Language Learners Definition of limestone

: a type of white stone that is commonly used in building


lime·​stone | \ ˈlīm-ˌstōn How to pronounce limestone (audio) \

Kids Definition of limestone

: a rock formed chiefly from animal remains (as shells or coral) that is used in building and gives lime when burned

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More from Merriam-Webster on limestone

Nglish: Translation of limestone for Spanish Speakers

Britannica English: Translation of limestone for Arabic Speakers Encyclopedia article about limestone

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