plasterboard

noun
UK /ˈplɑːstəbɔːd/
US /ˈplæstərbɔːrd/

A flat board used to build walls and ceilings inside buildings.

The builders covered the walls with plasterboard before painting them.


OTHER MEANINGS

2. A building material made of a gypsum core sandwiched between two layers of thick paper.

Plasterboard is lightweight and easy to cut with a utility knife.

3. A panel used to create smooth interior surfaces that can be painted or wallpapered.

They hung plasterboard in the new bedroom to hide the old brick.

4. A fire-resistant sheet material often required in garages and kitchens.

The inspector asked for plasterboard on the garage ceiling for fire safety.