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

Fortunately, one of those admitted was filmmaker Werner Herzog, who was granted permission to bring small cameras into the subterranean limestone system to make a documentary. —Matthew Carey, Deadline, 4 Sep. 2025

Little more than cactus was growing on the mountain slopes, and the ground was littered with small, sharp fragments of gray limestone. —Tim Kelly, Outdoor Life, 4 Sep. 2025

Outside of the distillery, guests will notice limestone pavers, a rock fountain and runnel, and original bricks from the Thomas Speed House which used to call the property home. —Olivia Evans, Louisville Courier Journal, 4 Sep. 2025

Here, miles away from the nearest public road, a small canyon carves into curving limestone. —Eva Frederick, Travel + Leisure, 2 Sep. 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