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

单词

krypton

释义

krypton Chem.|ˈkrɪptən|
[f. Gr. κρυπτόν, neuter of κρυπτός hidden, concealed. Discovered by Ramsay in 1898.]
A rare inert gaseous element; atomic number 36; symbol Kr.
1898Westm. Gaz. 7 June 4/2 M. Berthelot read a letter from Professor Ramsay,..giving the first announcement of another discovery... This new gas he proposes to call krypton.1898Sir W. Crookes Addr. Brit. Assoc. 19 During the course of the present year he [Prof. Ramsay] has announced the existence of no fewer than three new gases—krypton, neon, and metargon.1899Hazell's Ann. 83 Krypton forms a fifth constituent of the atmosphere, but is present in very minute quantities.1899L. Dobbin Ladenburg's Develop. Chem. xvi. 347 In the case of crypton, the ratio of the specific heats has been ascertained to be 1·66, so that this gas is also a monatomic element.

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