surfacecourse

noun
UK /ˈsɜːfɪs kɔːs/
US /ˈsɜːrfɪs kɔːrs/

The top layer of a road that cars drive on.

Workers laid a new surfacecourse on the highway to make the ride smoother.


OTHER MEANINGS

2. A course of study that introduces a subject at a basic level.

She enrolled in a surfacecourse on geology before taking advanced classes.

3. The upper layer of soil or ground material.

The surfacecourse of the field was too rocky for planting.

4. A finishing coat applied to a wall or building surface.

The painter applied a surfacecourse of plaster to smooth the wall.