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

The reddish hand stencils, though faded and barely visible, were found inside the Liang Metanduno limestone cave on Muna. —Melinda Yao, NBC news, 24 Jan. 2026

This stunning Croix Boisée is made with Cabernet Franc grapes grown in the family’s best vineyards with soils composed of clay and limestone. —Mike Desimone, Robb Report, 22 Jan. 2026

The Giorgio Armani apartment, a 2,005-square-foot residence with two bedrooms and two-and-a-half baths, is accessed via a semi-private elevator that deposits guests in a gallery foyer lined with limestone slab floors. —Katie Schultz, Architectural Digest, 22 Jan. 2026

Crews drilled through limestone to make the tunnel and then lined it with concrete, Roberts said. —Claire Osborn, Austin American Statesman, 21 Jan. 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