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Vacuum Flask (Noun)

Meaning

Flask with double walls separated by vacuum; used to maintain substances at high or low temperatures.

Classification

Nouns denoting man-made objects.

Examples

  • The scientist carefully poured the liquid nitrogen into a vacuum flask to keep it at extremely low temperatures.
  • A thermos is essentially a vacuum flask that maintains the temperature of liquids for several hours.
  • A glass vacuum flask was used to store the ice-cold mixture for later analysis in the laboratory.
  • The experimental design relied on a vacuum flask to maintain a uniform temperature of 200 degrees Celsius inside.
  • The engineer was amazed by the vacuum flask's ability to hold ice at a temperature far below freezing for several days.

Synonyms

  • Vacuum Bottle

Hyponyms

  • Dewar
  • Thermos Flask
  • Thermos Bottle
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