Meaning of urethane in English:



mass noun
  • 1Chemistry
    A synthetic crystalline compound used in making pesticides and fungicides, and formerly as an anaesthetic.

    Alternative name: ethyl carbamate; chemical formula: CO(NH₂)OC₂H₅

    ‘A new survey by the government's Food Standards Agency shows that many old single malts contain much higher concentrations of a dangerous chemical called ethyl carbamate than younger, blended whiskies.’
    • ‘When the Sunday Herald revealed in May that single malt whiskies were contaminated with high levels of a cancer-causing toxin, ethyl carbamate, the agency insisted that the health risks were minimal.’
    • ‘It's a transparent kayak, made of clear urethane and carbon kevlar.’
    • ‘Rats of both sexes were anaesthetized with urethane.’
    1. 1.1
      short for polyurethane
      ‘Cody carved them out of urethane and polystyrene foam, coated them with primer or plaster and painted them blue, pink and white.’
      • ‘Liquid silicone in urethane bags was used extensively for breast implants until reports of leakage in 1992.’
      • ‘Grant Hawk's knives can be had with a variety of options including exotic wood, urethane, Micarta or carbon fiber handles.’
      • ‘These parts can substitute urethane, silicone, and rubber parts.’
      • ‘Weighing only 26 pounds and comprised of military-grade urethane and Carbon-Kevlar material, the kayak can be folded into the size of a backpack that fits right into the plane's baggage compartment.’
      • ‘Polyurethane is a synthetic varnish that is oil based and urethane is its counter product that is water based.’
      • ‘The two-year-old inquiries, which originally focused on certain chemicals used to manufacture rubber, have expanded to include other products, including urethane chemicals.’
      • ‘The pieces can be painted for better representation of what the final product will look like, or cast in silicon rubber to make copies in colored urethane.’
      • ‘Modified castor oil is now used in the production of urethane plastics, inks, rubber and other synthetic products.’
      • ‘To do it, he invented a compound to make a solid core and a special urethane blend for the cover.’



/ˈjʊərɪθeɪn/ /ˈjɔːrɪθeɪn/


Mid 19th century from French uréthane(see urea, ethane).