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Meaning of vacuum flask | Babel Free

Noun CEFR B2

Definitions

A Dewar vessel, a scientific instrument used to store liquified gases.
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.
Synonym of thermos.

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

vacuum fluorescent display vacuum gauge vacuum pack vacuum pan vacuum pose vacuum pump