: 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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Among them is Dugi Otok, said Mark Palmer in The Times – a verdant, 26-mile-long sliver of limestone that lies an easy ferry ride from the fascinating harbour town of Zadar. The Week Uk, TheWeek, 6 Sep. 2026 When to Raise pH in Soil Sandy gardens and areas with lots of granite are more likely to have acidic soil than clay-heavy gardens with an abundance of shale or limestone. Lauren Landers, Better Homes & Gardens, 5 Sep. 2026 Near the crash site, a 150-year-old olive tree stood at the center of a ring of limestone blocks laid into the ground featuring the names of the victims. ABC News, 3 Sep. 2026 Less an Italian island than a heady myth, this four-square-mile limestone dollop in the Tyrrhenian Sea has been a precipitous theatre to human nature since Roman times. Condé Nast, Condé Nast Traveler, 3 Sep. 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 9 Sep. 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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