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dewar noun

  /ˈdjuː.ə/ , /ˈduː.ɚ/
  • 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.
 θερμός
Dewar flask
θερμός
Dewar bottle
θερμός
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