: 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 tiny coral limestone atoll was colonized by Germany and later administered by Australia before becoming an independent republic in 1968. Charlotte Graham-McLay, Los Angeles Times, 3 Aug. 2026 Few addresses are better known than Lansdown Crescent, a sweeping limestone terrace overlooking the UNESCO World Heritage city. Abby Montanez, Robb Report, 3 Aug. 2026 On one end is the Valley of Gangala, a series of ancient limestone caves with Paleolithic archeological sites and massive banyan trees said to host sacred spirits. Jessica Kozuka, Travel + Leisure, 2 Aug. 2026 The city fades away, and the road takes you through limestone hills, live oaks, and rivers lined with cypress trees. Jim Dobson, Forbes.com, 1 Aug. 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 5 Aug. 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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