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

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The bourbon was initially matured for seven years and then spent nine weeks in the distillery’s limestone cellar to finish. — Jonah Flicker, Robb Report, 11 Oct. 2026 And Morup, who managed to descend in the storm, lay near the trail below the First Step in a small limestone cave, his Green Boots visible in the snow. — Helen Regan, CNN Money, 10 Oct. 2026 The old town of Arcos de la Frontera occupies a dramatic limestone ridge above the Guadalete River, its buildings seemingly piled along the cliff edge. — Jamie Carter, Space.com, 10 Oct. 2026 Below the falls are limestone caves ripe for exploration, and hiking trails take visitors by the Rifle Falls Fish Hatchery, one of the largest trout-production hatcheries in Colorado. — Tiney Ricciardi, Denver Post, 10 Oct. 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

Phrases Containing limestone

Rhymes for limestone

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Browse Nearby Words

lime-soda feldspar
limestone
limestone sink
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Cite this Entry

“Limestone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/limestone. Accessed 14 Oct. 2026.

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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

More from Merriam-Webster on limestone

Britannica.com: Encyclopedia article about limestone

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