polyurethane

noun

poly·​ure·​thane ˌpä-lē-ˈyu̇r-ə-ˌthān 

: any of various polymers that contain NHCOO linkages and are used especially in flexible and rigid foams, elastomers, and resins (as for coatings)

Examples of polyurethane in a Sentence

The floor will need two coats of polyurethane.

Recent Examples on the Web

Finishes like polyurethane, varnish, or laminate add a protective topcoat to your cabinets to protect them from substances like grease. —Ashlyn Needham, Southern Living, 21 Feb. 2025

Colors Available: 1 Material: 100% polyurethane $15 Buy Now Target also carries a slipper version of the Oran Sandal, which is perfect for the fall and winter season. —Brittany Leitner, StyleCaster, 4 Feb. 2025

Delivering both length and volume, the buildable formula provides long-lasting results thanks to its formulation containing polyurethane (a synthetic ingredient that extends makeup longevity). —Conçetta Ciarlo, Vogue, 14 Feb. 2025

The polyurethane cover should keep your $3,500 device free from scratches and other potential damage without adding much bulk. —Julian Chokkattu, WIRED, 8 Feb. 2025

Word History

Etymology

International Scientific Vocabulary

First Known Use

1939, in the meaning defined above

Rhymes for polyurethane

• diazomethane
• dichloroethane
• dichloromethane
• trichloroethane
• abstain
• airplane
• alkane
• arcane
• arraign
• attain
• backplane
• betaine