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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


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Word History and Origins

Origin of Dewar flask1

C20: named after Sir James Dewar

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Example Sentences

Dewar Flask, a flask devised by Dewar for the examination of liquefied gases.

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DewarDewar vessel