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WordReference Random House Unabridged Dictionary of American English © 2024pol•y•u•re•thane (pol′ē yŏŏr′ə thān′, -yŏŏ reth′ān),USA pronunciation n. [Chem.]- Chemistrya 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.
Also, pol•y•u•re•than (pol′ē yŏŏr′ə than′).USA pronunciation Collins Concise English Dictionary © HarperCollins Publishers:: polyurethane /ˌpɒlɪˈjʊərəˌθeɪn/, polyurethan /ˌpɒlɪˈjʊərəˌθæn/ n - 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
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