Definition of urethane in English:

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Pronunciation: /ˈyo͝orəˌTHān/


1A synthetic crystalline compound used in making pesticides and fungicides, and formerly as an anesthetic.
  • Alternative name: ethyl carbamate; chemical formula: CO(NH2)OC2H5.
Example sentences
  • 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.
1.1 short for polyurethane.
Example sentences
  • 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.


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

For editors and proofreaders

Syllabification: u·re·thane

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