Etymology of dewar

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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        "2": "James Dewar"
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      "pos": "noun",
      "glosses": [
        "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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