dewar vacuum flask
31Dewar (flask) — [do͞o′ər, dyo͞o′ər] n. [after Sir James Dewar (1848 1923), Scot chemist & physicist] a double walled flask with a vacuum between the walls, which are silvered on the inside, used esp. for storage of liquefied gases: also written dewar …
32Dewar (flask) — [do͞o′ər, dyo͞o′ər] n. [after Sir James Dewar (1848 1923), Scot chemist & physicist] a double walled flask with a vacuum between the walls, which are silvered on the inside, used esp. for storage of liquefied gases: also written dewar …
33flask — A small receptacle, usually of glass, used for holding liquids, powder, or gases. [M.E. keg, fr. Fr. flasque, fr. Germanic] casting f. SYN: refractory f.. crown f. SYN: denture f.. denture f. a sectional metal boxlike case in which a sectional… …
34Dewar , Sir James — (1842–1923) British chemist and physicist Dewar, the son of a wine merchant, was born at Kincardine on Forth in Scotland. He was educated at Edinburgh University where he was a pupil of Lyon Playfair. In 1869 he was appointed lecturer in… …
35Dewar — noun A glass or metal double walled flask for holding a liquid without much loss or gain of heat; a vacuum bottle or thermos. Generally used for scientific purposes and in particular for cryogenic work. See Also: Dewar flask, Dewar vessel …
36Vacuum insulated panel — A Vacuum Insulated Panel (VIP) uses the insulating effects of a vacuum to produce much higher R values than conventional insulation. Conventional insulation produces an R value of eight or less per inch (fiberglass being towards the lower end and …
37dewar — noun Usage: often capitalized Etymology: Sir James Dewar Date: 1939 a glass or metal container made like a vacuum bottle that is used especially for storing liquefied gases called also Dewar flask …
38dewar — [ dju:ə] noun a double walled flask of metal or silvered glass with a vacuum between the walls, used to hold liquids at well below ambient temperature. Origin C19: named after the Scottish physicist Sir James Dewar …
39Dewar vessel — Dew′ar ves sel [[t]ˈdu ər, ˈdyu [/t]] n. chem. thr a kind of vacuum bottle used esp. to store liquefied gases Also called Dew′ar flask . Etymology: 1900–05; after James Dewar, (1842–1923), Scottish chemist and physicist, its inventor …
40Dewar — n. Physics a double walled flask with a vacuum between the walls to reduce the transfer of heat. Etymology: Sir James Dewar, Brit. physicist d. 1923 …
