limestone

noun

lime·​stone ˈlīm-ˌstōn How to pronounce limestone (audio)
: 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
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This intimate room pays homage to Gabrielle Chanel’s apartment, with a pair of Louis VI chairs, an antique Chinese coromandel screen, a Venini vase and a custom limestone top coffee table with a bronze base by Marino at its center. Lisa Lockwood, Footwear News, 30 Jan. 2026 The original five-story limestone and brick building was part of the estate of socialite—and purportedly, legendary party-thrower—Charlotte Goodridge. Arati Menon, Condé Nast Traveler, 30 Jan. 2026 Some were buried at a limestone quarry outside the city; others were burned, hacked to bits, or fed to crocodiles. Sean Williams, Harpers Magazine, 27 Jan. 2026 The reddish hand stencils, though faded and barely visible, were found inside the Liang Metanduno limestone cave on Muna. Melinda Yao, NBC news, 24 Jan. 2026 See All Example Sentences for limestone

Word History

First Known Use

14th century, in the meaning defined above

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

Cite this Entry

“Limestone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/limestone. Accessed 3 Feb. 2026.

Kids Definition

limestone

noun
lime·​stone ˈlīm-ˌstōn How to pronounce limestone (audio)
: a rock that is formed chiefly from animal remains (as shells or coral), consists mainly of calcium carbonate, is used in building, and gives lime when burned

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