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Dewar vessel

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noun
a container with an evacuated space between two walls that are highly reflective, capable of maintaining its contents at a near-constant temperature over relatively long periods of time; thermos.
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Also called Dewar, Dewar flask .

Origin of Dewar vessel

1900–05; named after Sir James Dewar, its inventor

Words nearby Dewar vessel

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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