cartonboard
nounUK /ˈkɑːtənbɔːd/
US /ˈkɑːrtənbɔːrd/
Cartonboard is thick, stiff paper used to make boxes.
The cereal box is made of cartonboard.
OTHER MEANINGS
2. A type of paperboard made from wood pulp, used for folding cartons.
The factory produces cartonboard for food packaging.
3. Material used in printing and packaging industries for its stiffness and printability.
Designers chose cartonboard for the product's outer box.
4. A recyclable material often collected in paper recycling streams.
Flatten the cartonboard before putting it in the recycling bin.