[pol-ee-yoo r-uh-theyn, -yoo-reth-eyn]
- 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 pol·y·u·re·than [pol-ee-yoo r-uh-than] /ˌpɒl iˈyʊər əˌθæn/.
Origin of polyurethane
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for polyurethane
Horrific: Of course, the movie's real star is the Great White Shark—a 25-foot polyurethane mechanical marvel nicknamed Bruce.Jaws’s Anniversary: Newsweek’s 1975 Review
June 20, 2012
- 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
Word Origin and History for polyurethane
Online Etymology Dictionary, © 2010 Douglas Harper
- Any of various synthetic resins used to make tough resistant coatings, adhesives, foams, and electrical insulation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.