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)
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Examples of polyurethane in a Sentence
The floor will need two coats of polyurethane.
Recent Examples of polyurethane from the Web
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As a result, the great majority of school buses being manufactured today have only one emergency exit, have their fuel tanks tight behind the front door and have seat cushions made of highly flammable polyurethane.
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The earliest tech suits appeared 10 years ago, ahead of the Beijing Olympics, and included full-body models with zippers and polyurethane panels.
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At a middle school track meet, plopped between rural fields of Basketball, Ind., no one was watching the hurdlers catapult then land onto the polyurethane.
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The company's polyurethanes segment, which sells chemicals used in insulation, consumer goods, adhesives and automobiles, performed especially well thanks to greater demand and higher selling prices.
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Other changes include a thicker polyurethane insole and a shin guard along the front of the boot for those grueling hours leaning over the gunwales.
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Frozen in their polyurethane shells, they are both trapped and protected, fixed and floating.
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Polystyrene and polyurethane and Styrofoam, all derived from petroleum, were layered and sprayed over the cork and, in some spots, coated with a smooth laminate.
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The company especially attributed the growth to the sales of its polyurethane products.
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.
Origin and Etymology of polyurethane
International Scientific Vocabulary
POLYURETHANE Defined for English Language Learners
Definition of polyurethane for English Language Learners
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: 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
Learn More about polyurethane
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Nglish: Translation of polyurethane for Spanish speakers Britannica.com: Encyclopedia article about polyurethane
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