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Thermos vs Flask - What's the difference?

thermos | flask |

As nouns the difference between thermos and flask

is that thermos is a vacuum flask or bottle which can keep liquids at a desired temperature while flask is a narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc.

thermos

English

Noun

(es)
  • a vacuum flask or bottle which can keep liquids at a desired temperature.

    • External links

    * (wikipedia "thermos")

    Anagrams

    * * English genericized trademarks

    flask

    English

    (wikipedia flask)

    Noun

    (en noun)
  • A narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc.
  • A container used to discreetly carry a small amount of a hard alcoholic beverage; a pocket flask.
  • (sciences) Laboratory glassware used to hold larger volumes than test tubes, normally having a narrow mouth of a standard size which widens to a flat or spherical base.
  • (engineering) A container for holding a casting mold, especially for sand casting molds.
  • A bed in a gun carriage.
    • (Bailey)