1 polyurethane | Definition of polyurethane

polyurethane

noun
poly·​ure·​thane | \ ˌpä-lē-ˈyu̇r-ə-ˌthān How to pronounce polyurethane (audio) \

Definition of polyurethane

: 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

He was also outfitted with a fat suit made of polyurethane foam covered in spandex. Mike Miller, PEOPLE.com, "The Most Amazing On-Screen Transformations — from Charlize Theron to Tom Hanks," 21 Aug. 2019 The chains look metallic but are made of polyurethane colophony (rosin) and iron powder, and the threads are silk — spun by silkworms that the artist guided to do his bidding. Scarlet Cheng, Los Angeles Times, "At LACMA, Chinese artworks zero in on a single material. Think ash. Or human hair," 12 Aug. 2019 According to Vessi’s Kickstarter page, the powerful water-proofing and moisture-wicking function doesn't come from a chemical coating, but from a nano-filtering polyurethane membrane. Dan Q. Dao, Condé Nast Traveler, "The Waterproof Shoes You Can Wear for an Entire Trip," 2 Aug. 2019 Today’s shapers craft surfboards with modern materials such as polyurethane foam or with wood such as balsa and coast redwood. Mark Thiessen, National Geographic, "Surfboard shapers hone the means to catch a perfect wave," 22 July 2019 To ease into making a new shoe, Plant 2 learned to bottom the Brnr, a new boot with uppers made of 18 pieces stitched in the Dominican Republic and a polyurethane midsole with a rubber skin outsole. Ruth Simon, WSJ, "Red Wing, Iconic U.S. Shoe Maker, Labors Mightily to Bring Production Home," 12 July 2019 The final layer closest to the head is auxetic polyurethane foam, a cushion material that expands, rather than contracting, on impact. San Diego Union-Tribune, "Are lighter football helmets safer? Carlsbad company banking on it," 5 July 2019 The crosswalks are made of thermoplastic polyurethane pavers. USA TODAY, "Fairy houses, feuding cousins, a fish app: News from around our 50 states," 3 June 2019 For the London studio Established & Sons, designer Philippe Malouin created this instantly recognizable, exceptionally comfortable throne entirely out of a high-density polyurethane foam. Monica Khemsurov, Bloomberg.com, "Maximize Your Comfort With a Puffy Armchair That’s Large and in Charge," 10 Apr. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polyurethane.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of polyurethane

1939, in the meaning defined above

History and Etymology for polyurethane

International Scientific Vocabulary

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More Definitions for polyurethane

polyurethane

noun

English Language Learners Definition of polyurethane

: a type of plastic that is used to make various products and especially to make a clear liquid that is spread on a surface (such as a wooden floor) and that becomes hard when it dries

More from Merriam-Webster on polyurethane

Nglish: Translation of polyurethane for Spanish Speakers

Britannica.com: Encyclopedia article about polyurethane