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Dewar flask
/ ˈ»åÂá³ÜËÉ™ /
noun
- a type of vacuum flask, esp one used in scientific experiments to keep liquid air, helium, etc; Thermos
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˜yÐÄvlog History and Origins
Origin of Dewar flask1
C20: named after Sir James Dewar
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Example Sentences
"I have some liquid air in this Dewar flask," continued Kennedy.
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