One of the mysteries of the English language finally explained.
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’
- ‘A lightweight foam polymer, usually polystyrene or polyurethane, forms the core of the surfboard.’
- ‘Materials that exhibit most of these properties are typically polymer-based, either polyurethane or epoxy.’
- ‘The polymer is polyurethane, which is foamed to create closed cells.’
- ‘Insulation materials have also changed over the years from the original cork sheeting to the CFC-free, foamed in place rigid polyurethane used today.’
- ‘Athletic shoes can contain several petrochemical polymers in their soles and uppers: butadiene, polyurethane, polyethylene, and nylon, to name a few.’
verb[with object]usually as adjective polyurethaned
Coat with polyurethane paint or varnish.‘the sanded and polyurethaned floorboards’
- ‘I filled a couple of nail holes in a transition strip from tile to wood and then I polyurethaned the transition strip.’
- ‘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.’
- ‘Mother has a bad habit of seeing to it that antiques are duly re-finished and polyurethaned.’
- ‘Remember to polyurethane your creations after painting to protect them!’
- ‘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).’
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