单词	polyurethane
释义	polyurethane /ˌpɒlɪˈjʊərɪθeɪn / noun [mass noun] A synthetic resin in which the polymer units are linked by urethane groups, used chiefly as constituents of paints, varnishes, adhesives, and foams: five coats of polyurethane [count noun]: polyurethanes serve a variety of uses... The polymer is polyurethane, which is foamed to create closed cells. Athletic shoes can contain several petrochemical polymers in their soles and uppers: butadiene, polyurethane, polyethylene, and nylon, to name a few. A lightweight foam polymer, usually polystyrene or polyurethane, forms the core of the surfboard. verb [with object] (usually as adjective polyurethaned) Coat with polyurethane paint or varnish: the sanded and polyurethaned floorboards... Unlike finish paints, shellac-base primer-sealers, such as Zinsser's B-I-N, will adhere to all cabinet surfaces-painted, polyurethaned, unfinished, Formica, plastic, metal and glass-to form a sound base for the topcoat. Usually they're in those awful Martha Stewart-ey sort of catalogues, stained a deep cherry and then polyurethaned for the storage of itty-bitty curios (which are sold on the facing page). Mother has a bad habit of seeing to it that antiques are duly re-finished and polyurethaned.
随便看	pluriflorous plurifoliate plurifoliolate pluriform pluriformity plurify plurilingual plurilingualism plurilocular plurimodal plurinominal plurinucleate plurinucleated pluripara pluriparity pluriparous pluripotence pluripotency pluripotent pluripotential pluripotentiality pluripresence plurisegmental pluriseptate pluriserial

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