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Dewar flask

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
Dewar flask
n.
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.
[After Sir James Dewar.]
Dewar flask [ˈdjuːə]
n
(Chemistry) a type of vacuum flask, esp one used in scientific experiments to keep liquid air, helium, etc.; Thermos
[named after Sir James Dewar (1842-1923), Scottish chemist and physicist]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.Dewar flaskDewar flask - vacuum flask that holds liquid air or helium for scientific experiments
Dewar
vacuum bottle, vacuum flask - flask with double walls separated by vacuum; used to maintain substances at high or low temperatures


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? Mentioned in ? References in periodicals archive
 
EBC was collected with a simple homemade apparatus formed by five components: a) a mouthpiece set up to work also as a saliva trap; b) a nonrebreathing polypropylene valve; c) a 10-cm Tygon tube (Nalgene 890 FEP tubing; Nalge Nunc International, Rochester, New York, USA); d) a 50-mL polypropylene vial; and e) a Dewar flask refrigerated with gel refrigerant (Ice-Brix; BDH Laboratory Supplies, Poole, Dorset, UK); the apparatus was placed at -20[degrees]C the night before the measurements.
Exhaled breath condensate as a suitable matrix to assess lung dose ... by Mutti, Antonio / Environmental Health Perspectives
Then the sample is dropped into a Dewar flask for chilling.
Superconducting silicon by Thomsen, Dietrick E. / Science News
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