dewar flask

1. 1.

   vacuum flask that holds liquid air or helium for scientific experiments

   SynonymsDewar

   Broadervacuum flask

Questions about dewar flask

What does dewar flask mean?

dewar flask means "vacuum flask that holds liquid air or helium for scientific experiments".

What is another word for dewar flask?

Close synonyms include Dewar. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is dewar flask a common word?

dewar flask is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.