polyurethane

[pol-ee-yoor-uh-theyn, -yoo-reth-eyn]
noun Chemistry.
a 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, polyurethan [pol-ee-yoor-uh-than] .


Origin:
1940–45; poly- + urethane

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
polyurethane or polyurethan (ˌpɒlɪˈjʊərəˌθeɪn, 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
 
polyurethan or polyurethan
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

polyurethane
1944, from poly(mer) + urethane.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
polyurethane   (pŏl'ē-yr'ə-thān')  Pronunciation Key 
Any of various synthetic resins used to make tough resistant coatings, adhesives, foams, and electrical insulation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
They are made from polyurethane plastic, so they'll hold moisture nicely and
  were a cinch to drill into.
Used in polyurethane foam in couches, nursing pillows and strollers.
The fabric used on the exterior is a polyester-taffeta blend that features
  polyurethane mesh and coating.
Polyurethane and a five-millimeter-thick silicone skin, soft and specially
  colored, cover a metal skeleton.
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