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

Rocks like limestone and basalt naturally absorb carbon dioxide from the air. —Julia Jacobo, ABC News, 22 Apr. 2025

Ramon Portelli for Studio NiCHE The comparatively large 10-sq-m (107-sq-ft) outdoor terrace features a bespoke limestone planter in place of a traditional balustrade. —New Atlas, 11 Apr. 2025

Sitting on ocean cliffs, Ocean House is fronted by a porte cochere that leads into a double-height lobby finished with limestone and oak millwork. —Tori Latham, Robb Report, 10 Apr. 2025

Each burial required breaking the stone floor, placing the tiny remains underneath, and then filling in the hole with crushed limestone. —ArsTechnica, 10 Apr. 2025

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