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Dewar flask

/ ˈdjuːə /

noun

  1. a type of vacuum flask, esp one used in scientific experiments to keep liquid air, helium, etc; Thermos

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of Dewar flask1

C20: named after Sir James Dewar
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"I have some liquid air in this Dewar flask," continued Kennedy.

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DewarDewar vessel

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