noun
- hard dark rocks, especially basalt or similar igneous rocks
Usage: geological; British
Examples
- The old castle was built from local whinstones quarried nearby.
- Whinstones were commonly used for road construction in Scotland.
- The geologist identified the dark whinstones as volcanic in origin.
- Ancient walls made of whinstones still stand throughout the region.
- The quarry produced whinstones for building foundations.
- Farmers cleared whinstones from their fields before planting.