Synonym of thermos
(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.
Source: en.wiktionary.orgAbout 1892, the idea occurred to him of using vacuum-jacketed vessels for the storage of liquid gases – the Dewar flask (otherwise known as a Thermos or vacuum flask ) – the invention for which he became most famous. Source: Internet
Dewar did not profit from the widespread adoption of his vacuum flask – he lost a court case against Thermos concerning the patent for his invention. Source: Internet
The vacuum flask was so efficient at keeping heat out, it was found possible to preserve the liquids for comparatively long periods, making examination of their optical properties possible. Source: Internet