English

Noun

Dewar ‎(plural Dewars)

1. 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.

Related terms

• Dewar flask
• Dewar vessel

Translations

Anagrams

• wader, wared

English

A dewar is filled with liquid nitrogen from a tank

Alternative forms

• Dewar

Noun

dewar ‎(plural dewars)

1. 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.
   • 2009 February 17, Guy Gugliotta, “Perseverence Is Paying Off for a Test of Relativity in Space”, in New York Times:

     A large thermos-like container called a dewar contained 645 gallons of liquid helium to be cooled to within two degrees of absolute zero.

Synonyms

• Dewar bulb
• Dewar flask
• Dewar tube
• Dewar vessel
• vacuum flask

Translations

See also

• thermos

Anagrams

• wader
• wared