Definitions for vacuum flask

This page provides all possible meanings and translations of the word vacuum flask

Princeton's WordNet

  1. vacuum flask, vacuum bottle(noun)

    flask with double walls separated by vacuum; used to maintain substances at high or low temperatures

Wiktionary

  1. vacuum flask(Noun)

    A bottle, flask or similar vessel having a vacuum between its inner and outer silvered walls; designed to maintain the temperature of its contents

  2. vacuum flask(Noun)

    A Dewar vessel is the scientific version, and is most often used to store liquified gases.

  3. vacuum flask(Noun)

    A type of glass flask used in a laboratory similar to an Erlenmeyer flask, but with a side spout used for connection to an aspirator. Also known as a Bu00FCchner flask.

Freebase

  1. Vacuum flask

    A vacuum flask is an insulating storage vessel that greatly lengthens the time over which its contents remain hotter or cooler than the flask's surroundings. Invented by Sir James Dewar in 1892, the vacuum flask consists of two flasks, placed one within the other and joined at the neck. The gap between the two flasks is partially evacuated of air, creating a near-vacuum which prevents heat transfer by conduction or convection. Vacuum flasks are used domestically to keep beverages hot or cold for extended periods of time and for many purposes in industry.


Translations for vacuum flask

Kernerman English Multilingual Dictionary

vacuum flask(noun)

a container with double walls that have a vacuum between them to keep the contents from losing or gaining heat

a (vacuum-)flask of hot coffee.

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