hardboard

2. A type of engineered wood made by compressing wood fibers under high pressure and heat.

Hardboard is often used in furniture because it is cheap and smooth.

3. A thin, dense board used for flooring or wall panels.

They nailed hardboard over the old floor before laying the new tiles.

4. A building material sold in large sheets for construction and crafts.

We bought a sheet of hardboard at the hardware store for the school project.