vacuum bottle

1. 1.

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

   Synonymsvacuum flask

   Broaderflask

   NarrowerDewar flaskthermos

Questions about vacuum bottle

What does vacuum bottle mean?

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

What is another word for vacuum bottle?

Close synonyms include vacuum flask. 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 vacuum bottle a common word?

vacuum bottle 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.