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/ˈdjuː.ə/ · noun
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 large thermos-like container called a dewar contained 645 gallons of liquid helium to be cooled to within two degrees of absolute zero.
Use dewar when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Dewar means 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..
Common synonyms include Dewar bulb, Dewar flask, Dewar tube, Dewar vessel.
The opposite depends on the specific sense.
A large thermos-like container called a dewar contained 645 gallons of liquid helium to be cooled to within two degrees of absolute zero.
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