ಅರ್ಥ : Vacuum flask that holds liquid air or helium for scientific experiments.
ಸಮಾನಾರ್ಥಕ : dewar flask
ಅರ್ಥ : Scottish chemist and physicist noted for his work in cryogenics and his invention of the Dewar flask (1842-1923).
ಸಮಾನಾರ್ಥಕ : sir james dewar