vacuum flask that holds liquid air or helium for scientific experiments
Scottish chemist and physicist noted for his work in cryogenics and his invention of the Dewar flask (1842-1923)
A glass or metal double-walled flask for holding a liquid without much loss or gain of heat; a vacuum bottle or thermos. Generally used for scientific purposes and in particular for cryogenic work.
A vacuum flask; a vessel which keeps its contents hotter or cooler than their environment without the need to modify the pressure, by interposing an evacuated region to provide thermal insulation between the contents and the environment.
A surname, from Scottish Gaelic​.