单词 | meitnerium |
释义 | meitnerium/mʌɪtˈnɪərɪəm /noun [mass noun] The chemical element of atomic number 109, a very unstable element made by high-energy atomic collisions. (Symbol: Mt) Element 109 is named meitnerium, for Lise Meitner, who was the first to realize that uranium undergoes nuclear fission....
Origin1990s: modern Latin, from the name of L. Meitner (see Meitner, Lise). |
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