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Definition of "polyurethane" [pol•y•ur•eth•ane]

  • Any of various resins, widely varying in flexibility, used in tough chemical-resistant coatings, adhesives, and foams. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "polyurethane" in a sentence
  • "The combined seat, its bottom and back frame is a one-piece reinforced moulding upholstered in polyurethane foam."
  • "Seal the wood with three coats of clear gloss polyurethane, and a final coat of clear satin polyurethane."
  • "There is a type of material being analyzed, called polyurethane, of which shoes can be made, and its technology is already being studied."