tarmacadam
/ˌtɑrməˈkædəm/
noun
- A paving material made of tar mixed with crushed stone, used for roads and other surfaces; the full name for tarmac.
- Tarmacadam is more durable than plain gravel for driveways.
- The old road was resurfaced with tarmacadam to improve safety.
- Engineers often choose tarmacadam for its strength and weather resistance.