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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Meandering golf cart paths swerve around ancient trees and limestone rocks for an immersive experience, revealing glimpses of the sea through the forest. Condé Nast, Condé Nast Traveler, 2 June 2026 Inside Albufera Natural Park, this watchtower is a limestone promontory that gives views across paddy fields. Jamie Carter, Space.com, 2 June 2026 Today, Bacon Hole — a cave carved into limestone cliffs overlooking the Bristol Channel — is under the custodianship of the National Trust Wales, which, together with the Bradshaw Foundation, has funded scientific research at the site. Elmira Aliieva, NBC news, 1 June 2026 The Croatian city’s medieval walls, limestone streets and Adriatic views make walking the old town an unforgettable experience. Laura Begley Bloom, Forbes.com, 1 June 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 4 Jun. 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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