Dewar vessel

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Dew′ar ves`sel

(ˈdu ər, ˈdyu-)
a kind of vacuum bottle used esp. to store liquefied gases.
Also called Dew′ar flask`.
[1900–05; after James Dewar, (1842–1923), Scottish chemist and physicist, its inventor]
References in periodicals archive ?
In general cooling system semiconductor detectors are installed in vacuum cryostat which is submerced to Dewar vessel with LN2.
The patent describes a novel design of the dewar vessel with a helmet-shaped recess at one end.