dewar

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English[edit]

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A dewar is filled with liquid nitrogen from a tank

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Etymology[edit]

From the name of inventor James Dewar

Noun[edit]

dewar (plural dewars)

  1. A vacuum flask; a vessel which keeps its contents hotter or cooler than their environment without the need to modify the pressure, by interposing an evacuated region to provide thermal insulation between the contents and the environment.

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