单词 | fermi |
释义 | fermi/ˈfəːmi /noun (plural same) A unit of length equal to 10−15 metre (one femtometre), used in nuclear physics. It is similar to the diameter of a proton.In order to fuse two hydrogen nuclei together, though, we must force another proton into the hydrogen atom within a distance of 1 fermi from the atom's proton....
OriginEarly 20th century: named after E. Fermi (see Fermi, Enrico). |
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