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

Across the street, the Llano River splashes its way over limestone formations and into reed thickets. — Pam Leblanc, Southern Living, 20 July 2026

Follow any recommendations for limestone additions if the pH or calcium levels are too low. — Dawn Pettinelli, Hartford Courant, 19 July 2026

Gidaki was beautiful, but Afales bay, where turquoise waters crash into imposing limestone cliffs, was the true highlight. — Elly Leavitt, Vogue, 17 July 2026

They should be constructed with enduring materials such as brick, limestone, terracotta, steel and glass storefronts. — Todd Baisch, Chicago Tribune, 17 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