- Synonym of
- (chemistry) A Dewar vessel, a scientific instrument used to store liquified gases.
- (chemistry) 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.
a bottle, flask or similar vessel having a vacuum between its inner and outer silvered walls — see thermos
chemistry: Dewar vessel — see dewar
chemistry: Filter flask — see Büchner flask