noun
- a sedimentary rock composed mainly of calcium carbonate, often formed from marine organisms
Examples
- The ancient cathedral was built from local limestone.
- Limestone caves are formed by water dissolving the rock over time.
- The quarry produces high-quality limestone for construction.
- Fossils are commonly found embedded in limestone formations.
- The limestone cliffs along the coast are slowly eroding.
- Farmers use crushed limestone to reduce soil acidity.