A heavy inert gaseous element present in minute quantity in the atmosphere, discovered by Sir William Ramsay in 1898. Symbol Xe or X. Also attributive…
| 单词 | θ69159 |
| 释义 | the world > matter > chemistry > elements and compounds > metals > noble gases > xenon > [noun] (2) xenon1898 A heavy inert gaseous element present in minute quantity in the atmosphere, discovered by Sir William Ramsay in 1898. Symbol Xe or X. Also attributive… Xe1900 The element xenon. |
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