单词	polyurethane
释义	polyurethanepol‧y‧u‧re‧thane /ˌpɒlɪˈjʊərəθeɪn $ ˌpɑːlɪˈjʊr-/ noun [uncountable] Word Origin WORD ORIGINpolyurethane Origin: 1900-2000 poly- + urethane type of chemical compound (19-21 centuries) (from Latin urea substance found in urine) Examples EXAMPLES FROM THE CORPUS Alternatively varnish it with polyurethane varnish. Clark's implant, which replaces the two ventricles - bottom pumping chambers - is made of polyurethane and aluminium. Elastogran will take over sales of spare parts and the service of all polyurethane processing machines and plants already supplied by Desma. I thought of sealing the wood on the sides and ends with polyurethane before installing the boards and adding two coats. Remember the scandal of polyurethane foam? Standard polyurethane foam ignites rapidly, forming dense clouds of smoke and toxic vapour as it does so. The shoe is of two density polyurethane, tough court outsole and full grain leather upper. Yamaha use various combinations of polyester and polyurethane on their guitars. word sets WORD SETS► Plastics Perspex, nounplastic, nounplastic explosive, nounPlexiglas, nounpolyethylene, nounpolypropylene, nounpolystyrene, nounpolythene, nounpolyurethane, nounresin, nounthermoplastic, nounthermosetting, adjective Collocations COLLOCATIONS FROM THE CORPUSNOUN► foam · Remember the scandal of polyurethane foam?· Standard polyurethane foam ignites rapidly, forming dense clouds of smoke and toxic vapour as it does so.· For use on wood, paper, fabrics, carpets, leather and polyurethane foam.· Sponges are always synthetic and are usually made from polyurethane foam or similar expanded plastics.· Injected polyurethane foam construction makes boots warm in cold conditions and cool in hot weather. a plastic used to make paints and varnish
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