Blacktop (noun)

1. A surface of asphalt concrete, used for paving roads, streets, and parking areas.
2. A material made of asphalt and aggregate, used for paving surfaces.

Origin:

From black + top, from the dark color of the surface.

Examples:

1. The city plans to blacktop the entire downtown area next year.
2. The new blacktop surface on the road made it much smoother to drive on.
3. The parking lot was in need of a new blacktop layer.
4. The cost of blacktop is less expensive than concrete.
5. The blacktop on the running track was recently repaved.