Definition of dewar
: a glass or metal container made like a vacuum bottle that is used especially for storing liquefied gases — called also
Dewar flask
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Recent Examples of dewar from the Web
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Dewar needed a container that would resist changes in temperature, keeping his cold fluid cold without need for refrigerating equipment.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dewar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of dewar
Sir James Dewar
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