Dewar flask definition, Dewar flask meaning | English dictionary

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Dewar flask

  

      n   a type of vacuum flask, esp. one used in scientific experiments to keep liquid air, helium, etc.; Thermos  
     (C20: named after Sir James Dewar)  
English Collins Dictionary - English Definition & Thesaurus  
Collins
vacuum flask  
      n   an insulating flask that has double walls, usually of silvered glass, with an evacuated space between them. It is used for maintaining substances at high or low temperatures,   (Also called)    Thermos, Dewar flask         

English Collins Dictionary - English Definition & Thesaurus  

Collins
Dewar  
      n  
1    Donald. born 1937, Scottish Labour politician; secretary of state for Scotland (1997--99); First Minister of Scotland from 1999  
2    Sir James. 1842--1923, Scottish chemist and physicist. He worked on the liquefaction of gases and the properties of matter at low temperature, invented the vacuum flask, and (with Sir Frederick Abel) was the first to prepare cordite  


Dewar flask  
      n   a type of vacuum flask, esp. one used in scientific experiments to keep liquid air, helium, etc.; Thermos  
     (C20: named after Sir James Dewar)  

English Collins Dictionary - English Definition & Thesaurus  

See also:

dear, dewan, dew, deary

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