Limestone (Noun)
Meaning
A sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals.
Classification
Nouns denoting substances.
Examples
- The cave was formed over millions of years through the erosion of limestone by acidic groundwater.
- The region's unique landscape was carved out of limestone bedrock by the relentless flow of the river.
- Limestone is a common sedimentary rock that can be found in many parts of the world, often in areas that were once underwater.
- The ancient city was built on a foundation of limestone, which provided a stable base for the structures.
- The geologist carefully examined the limestone sample, noting the presence of fossilized shells and other marine organisms.