: a radioactive metallic element produced artificially (as by bombardment of plutonium with neutrons) — see Chemical Elements Table
Examples of fermium in a Sentence
Recent Examples on the WebThe 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
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