noun
- a synthetic polymer used to make plastics, foams, adhesives, and protective coatings
Usage: chemistry; materials science
Examples
- The furniture was coated with a clear polyurethane finish to protect the wood.
- Polyurethane foam is commonly used in mattresses and cushions.
- The contractor applied three coats of polyurethane to seal the hardwood floors.
- Many athletic shoes have polyurethane soles for durability and comfort.
- The insulation in the walls was made of polyurethane foam.
- Polyurethane adhesives create strong, flexible bonds between materials.