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Dewar flask

British

/ ˈdjuːə /

noun

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

Etymology

Origin of Dewar flask

C20: named after Sir James _Dewar

Example Sentences

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Dewar flask

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

From The Social Gangster by Reeve, Arthur B. (Arthur Benjamin)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023