polyurethane

[ pol-ee-yoor-uh-theyn, -yoo-reth-eyn ]

noun

, Chemistry.

1. a thermoplastic polymer containing the group NHCOO: used for padding and insulation in furniture, clothing, and packaging, and in the manufacture of resins for adhesives, elastomers, and fillers.

polyurethane

/ ˌpɒlɪˈjʊərəˌθæn; ˌpɒlɪˈjʊərəˌθeɪn /

noun

1. a class of synthetic materials made by copolymerizing an isocyanate and a polyhydric alcohol and commonly used as a foam ( polyurethane foam ) for insulation and packing, as fibres and hard inert coatings, and in a flexible form ( polyurethane rubber ) for diaphragms and seals

polyurethane

/ pŏl′ē-yr′ə-thān′ /

1. Any of various synthetic resins used to make tough resistant coatings, adhesives, foams, and electrical insulation.

Word History and Origins

Origin of polyurethane¹

First recorded in 1940–45; poly- + urethane

Example Sentences

The thermoplastic polyurethane case even covers the slots where the strap attach without affecting strap compatibility.

From Popular-Science

True long-distance hiking boots usually feature stiff polyurethane or EVA foam midsoles to protect against foot fatigue when traveling over rough terrain, and a high cut that sits fully over the ankle for added stability.

From Outside Online

Off-road blades have no brakes, which is not uncommon for skates in general, but paved surfaces and polyurethane wheels allow for hockey stops and other maneuvers that slow you down.

From Outside Online

Instead of that traditional band, the lighting system relies on a flexible thermoplastic polyurethane loop that rests lightly atop your head like Wonder Woman’s tiara.

From Popular-Science

Then Farah, who is a practicing Muslim, got down on his knees, put his head on the polyurethane track, and bowed three times toward Mecca to the south.

From Fortune

Not surprisingly, then, in 2010 there was a ban on buoyant polyurethane swimsuits.

From The Daily Beast

Horrific: Of course, the movie's real star is the Great White Shark—a 25-foot polyurethane mechanical marvel nicknamed Bruce.

From The Daily Beast