# A thermos question

**URL:** <https://boards.straightdope.com/t/a-thermos-question/235481>\
**Category:** Factual Questions\
**Created:** [March 21, 2004, 12:49am UTC](https://boards.straightdope.com/t/a-thermos-question/235481 "2004-03-21T00:49:00Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![swansont](https://avatars.discourse-cdn.com/v4/letter/s/5fc32e/32.png) [@swansont](https://boards.straightdope.com/u/swansont)\
**Post date:** [March 21, 2004, 11:14pm UTC](https://boards.straightdope.com/t/a-thermos-question/235481/21 "2004-03-21T23:14:10Z")

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> [@Walloon](#):
>
> The word Thermos® is a brand name. The generic term is vacuum bottle.

Or dewar flask.

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