Dewar (flask)Dew·ar flask
[alsod- (flask)] a double-walled flask with a vacuum between the walls, which are silvered on the inside, used esp. for storage of liquefied gases
Origin of Dewar (flask)after Sir James Dewar (1848-1923), Scottish chemist and physicist
An insulated container used especially to store liquefied gases, having a double wall with a vacuum between the walls and silvered surfaces facing the vacuum.
Origin of Dewar flaskAfter Sir James Dewar (1842-1923), British chemist and physicist who invented it