Definition of Vacuum flask

1. Noun. Flask with double walls separated by vacuum; used to maintain substances at high or low temperatures.

Exact synonyms: Vacuum Bottle
Specialized synonyms: Dewar, Dewar Flask, Thermos, Thermos Bottle, Thermos Flask
Generic synonyms: Flask

Definition of Vacuum flask

1. 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 ¹

2. Noun. (context: chemistry) A Dewar vessel is the scientific version, and is most often used to store liquified gases. ¹

3. Noun. (context: chemistry) 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 Büchner flask. ¹

¹ Source:

Medical Definition of Vacuum flask

1. A glass vessel, often silvered, with two walls, the space between which is evacuated; used for maintaining materials at constant temperature or, more usually, at low temperature. Synonym: vacuum flask. (05 Mar 2000)

Lexicographical Neighbors of Vacuum Flask

vacuum aspiration
vacuum bag
vacuum bomb
vacuum bottle
vacuum casting
vacuum chamber
vacuum cleaner
vacuum cleaners
vacuum curettage
vacuum decay
vacuum desiccator
vacuum disk phenomenon
vacuum distillation
vacuum energy
vacuum extractor
vacuum flask (current term)
vacuum flasks
vacuum fluorescent display
vacuum gage
vacuum gauge
vacuum gauges
vacuum headache
vacuum pan
vacuum pump
vacuum pumps
vacuum tube
vacuum tubes

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