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

Eighty miles of gallops surrounded by all that unploughed grass, rich in limestone, good for horse bones and fertilized by roaming sheep. — Jon Wertheim, CBS News, 20 Sep. 2026

The limestone around the stadium’s perimeter gently swoops up and down in a move that recalls the gracefully curved bowl of Ryan Field’s earlier iteration. — Edward Keegan, Chicago Tribune, 19 Sep. 2026

Groundwater steadily rises through fissures in the limestone bedrock, providing the spring with a constant flow of pristine water. — Savannah Born, Travel + Leisure, 17 Sep. 2026

As for the home’s silhouette, the architect leaned into forms that felt familiar to the region, like the metal gable roof, deep porches, and Lueders limestone cladding. — Betsy Cribb Watson, Southern Living, 16 Sep. 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