vacuum flask

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vacuum flask

noun vacuum flasks

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.
Similar: Büchner flask, Dewar flask, Dewar vessel, vacuum bottle
Synonym of thermos.
Similar: thermos

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"vacuum flask." Wiktionary, via Micwyn, micwyn.com/word/vacuum%20flask. Accessed 6 Nov. 2026.

APA

vacuum flask. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/vacuum%20flask

Chicago

"vacuum flask." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/vacuum%20flask.

BibTeX

@misc{vacuum_flask_2026,
  title = {vacuum flask},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/vacuum%20flask},
  urldate = {2026-11-06}
}