polyurethane

noun

poly·​ure·​thane ˌpä-lē-ˈyu̇r-ə-ˌthān How to pronounce polyurethane (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The specs The mattress is made from a medley of recycled polyester, along with viscose, polypropylene, and polyurethane foam to create a mattress experience that considers plushness and durability. Julia Harrison, Architectural Digest, 10 Mar. 2025 While that might sound more sustainable than real leather, there's still a lot of polyurethane in these cases. Julian Chokkattu, WIRED, 7 Feb. 2025 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 See All Example Sentences for polyurethane

Word History

Etymology

International Scientific Vocabulary

First Known Use

1939, in the meaning defined above

Time Traveler
The first known use of polyurethane was in 1939

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Cite this Entry

“Polyurethane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyurethane. Accessed 23 Mar. 2025.

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