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Noun: Dewar  d(y)oo-u(r)
  1. Scottish chemist and physicist noted for his work in cryogenics and his invention of the Dewar flask (1842-1923)
    - Sir James Dewar
     
  2. Vacuum flask that holds liquid air or helium for scientific experiments
    - Dewar flask

Type of: chemist, physicist, vacuum bottle [N. Amer], vacuum flask [Brit, Cdn]

Encyclopedia: Dewar, OK