DEWAR FLASK

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Vacuum flask that holds liquid air or helium for scientific experiments

Synonyms:

Dewar; Dewar flask

Classified under:

Nouns denoting man-made objects

Hypernyms ("Dewar flask" is a kind of...):

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

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