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

At Three Forks, where the Madison meets the Jefferson and Gallatin to form the Missouri, Native Americans used the nearby limestone cliffs for bison drives 2,000 years before Lewis and Clark arrived to give the rivers their current names. — Condé Nast Traveler, 14 July 2026

On Earth, most of the carbon dioxide is dissolved in the oceans or locked away in rocks, such as limestone. — Vahe Peroomian, The Conversation, 13 July 2026

The new spa draws inspiration from the resort’s Sonoran Desert surroundings, with limestone walls bathed in sandy beige tones and custom stone mosaics, while sculptural furnishings mirror the crecendos of Camelback Mountain outside. — Tim Chan, HollywoodReporter, 12 July 2026

Angelus’s soils are principally clay-limestone, while Carillon’s plots vary between clay, sand and limestone. — Lewis Chester, Robb Report, 11 July 2026

Word History

First Known Use

14th century, in the meaning defined above

Phrases Containing limestone

• nummulitic limestone

Rhymes for limestone

• acetone
• anglophone
• baritone
• bourguignon
• buspirone
• chaperon
• chaperone
• cobblestone
• collarbone
• cornerstone
• cortisone
• dictaphone

Kids 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