limestone
noun
lime·stone
ˈlīm-ˌstōn 
: 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
Set on the 16th and 17th floors of the 19-story House section of the bifurcated limestone building, which also includes a connected 35-story tower, the home has four bedrooms, four full bathrooms, and two powder rooms in roughly 5,400 square feet.
—
Wendy Bowman, Robb Report, 28 Apr. 2026
Other past lives included stints as the Nova-Park Gotham Hotel and Hotel Maxim’s de Paris—understandable, given the inarguable Beaux-Arts opulence to the Landmark building, with its limestone carvings, copper cornices, and Doric columns.
—Condé Nast, Condé Nast Traveler, 28 Apr. 2026
Specifically, nacre is composed of hexagonal crystals of aragonite, a kind of calcium carbonate that is also seen in limestone and that forms precisely into overlapping layers that resemble the brick-and-mortar structure of buildings.
—Caitlin Kennedy, Scientific American, 25 Apr. 2026
The structure is distinguished from its two larger neighbors by having been partially clad in red granite blocks, rather than white limestone.
—Anne Doran, ARTnews.com, 24 Apr. 2026
See All Example Sentences for limestone
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Wendy Bowman, Robb Report, 28 Apr. 2026
Other past lives included stints as the Nova-Park Gotham Hotel and Hotel Maxim’s de Paris—understandable, given the inarguable Beaux-Arts opulence to the Landmark building, with its limestone carvings, copper cornices, and Doric columns.
—Condé Nast, Condé Nast Traveler, 28 Apr. 2026
Specifically, nacre is composed of hexagonal crystals of aragonite, a kind of calcium carbonate that is also seen in limestone and that forms precisely into overlapping layers that resemble the brick-and-mortar structure of buildings.
—Caitlin Kennedy, Scientific American, 25 Apr. 2026
The structure is distinguished from its two larger neighbors by having been partially clad in red granite blocks, rather than white limestone.
—Anne Doran, ARTnews.com, 24 Apr. 2026
See All Example Sentences for limestone
Cite this Entry
“Limestone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/limestone. Accessed 2 May. 2026.
Copy CitationKids Definition
limestone
noun
lime·stone
ˈlīm-ˌstōn
: 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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