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
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 original brick and limestone trim has been cleaned, and the architects have restored the substantial copper cornice on the front face of the building. Edward Keegan, Chicago Tribune, 19 Apr. 2026 Salado College Ruins The ruins of the limestone Salado College buildings, erected around 1860, can still be seen in Salado College Hill Park. Lauren Jones, Travel + Leisure, 19 Apr. 2026 Hotel accommodations were so saturated that travelers without lodging were seen sleeping in a park in the small western Cuban town of Viñales that draws thousands of tourists and rock climbers to its scenic limestone cliffs. ABC News, 18 Apr. 2026 Two bright, airy levels showcase limestone floors and white oak ceilings, plus front-row views of the Newport Harbor, Balboa and Catalina islands, and the Pacific Ocean. Wendy Bowman, Robb Report, 16 Apr. 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 26 Apr. 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

More from Merriam-Webster on limestone

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster