| 单词 | uranium |
| 释义 | uranium /ū-rāˈni-əm/nounA radioactive metallic element (symbol U; atomic no 92) named by German chemist Martin Klaproth in 1789, after the recently discovered planet Uranus uranium glass noun A yellow fluorescent glass containing uranium compounds uranium hexafluoride noun A volatile compound of uranium with fluorine, used in the gaseous diffusion process for separating the uranium isotopes uranium-lead dating noun (geology) A method of determining the age in years of geological material, based on the known decay rate of uranium isotopes to lead isotopes |
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