英语词汇“dewar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	dewar
释义	dew·ar \ˈd(y)üə(r), -u̇ə-\ noun or dewar flask or dewar vessel (-s) Usage: usually capitalized D Etymology: after Sir James Dewar died 1923 Scottish chemist and physicist who invented it : a usually glass or metal container with at least two walls that has the space between the walls evacuated so as to prevent the transfer of heat, often has a coating (as silvering) on the inside to reduce radiation, and is used especially for storing liquefied gases (as liquid air) or for investigations at low temperatures — compare vacuum bottle
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