: 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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From rolling vineyards to lush river valleys, high limestone bluffs to some pretty great lakes, this region of the United States is often overlooked. Katy Spratte Joyce, Travel + Leisure, 3 July 2026 Set the scene Lake Fuschl is located in the Salzkammergut region, known for its numerous lakes, rivers, forests and limestone mountains. Condé Nast, Condé Nast Traveler, 2 July 2026 Lambert arrived on the scene and knew immediately that the force of cold air escaping from the crack in the limestone must mean a sizable cave stood behind the rock wall, and the idea to enlarge the initial opening was born. Mary Catherine McAnnally Scott, Southern Living, 4 July 2026 One limestone slab with a Qatabanian inscription dedicated to the deity Anbay, for example, was acquired in 1907. Tessa Solomon, ARTnews.com, 6 July 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 8 Jul. 2026.

Kids Definition

: 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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