单词	fermium
释义	fermium noun fer·​mi·​um ˈfer-mē-əm  ˈfər-  : a radioactive metallic element produced artificially (as by bombardment of plutonium with neutrons) see Chemical Elements Table Example Sentences Recent Examples on the Web The golden ratio is the metallic mean between 1 and 2, the silver ratio represents the metallic mean between 2 and 3, and so forth, all the way to the fermium ratio (between 100 and 101—I just used the matching chemical element) and beyond. Caroline Delbert, Popular Mechanics, 30 Jan. 2020 Word History Etymology Enrico Fermi First Known Use 1955, in the meaning defined above Medical Definition fermium noun fer·​mi·​um ˈfer-mē-əm  ˈfər-  : a radioactive metallic element artificially produced (as by bombardment of plutonium with neutrons) —symbol Fm see Chemical Elements Table
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