Definition of fermi in English:

fermi

nounˈfəːmiˈfər-

A unit of length equal to 10⁻¹⁵ metre (one femtometre), used in nuclear physics. It is similar to the diameter of a proton.
费密（长度单位；=10^-15米；与质子的直径近似）
Example sentencesExamples
- It acts between two neutrons, between two protons, or between a neutron and a proton, as long as they are no farther apart than a distance of one fermi.
- 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.
- About half a century later, Robert Hofstadter won the 1961 Nobel Prize in physics for his work verifying that the radius of an atomic nucleus is about one fermi.

Origin

Early 20th century: named after E. Fermi (see Fermi, Enrico).

Definition of fermi in US English:

fermi

nounˈfər-

A unit of length equal to 10⁻¹⁵ meter (one femtometer), used in nuclear physics. It is similar to the diameter of a proton.
费密（长度单位；=10^-15米；与质子的直径近似）
Example sentencesExamples
- About half a century later, Robert Hofstadter won the 1961 Nobel Prize in physics for his work verifying that the radius of an atomic nucleus is about one fermi.
- 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.
- It acts between two neutrons, between two protons, or between a neutron and a proton, as long as they are no farther apart than a distance of one fermi.

Origin

Early 20th century: named after E. Fermi (see Fermi, Enrico).

词汇	fermi
释义	Definition of fermi in English: fermi nounˈfəːmiˈfər- A unit of length equal to 10⁻¹⁵ metre (one femtometre), used in nuclear physics. It is similar to the diameter of a proton. 费密（长度单位；=10^-15米；与质子的直径近似） Example sentencesExamples It acts between two neutrons, between two protons, or between a neutron and a proton, as long as they are no farther apart than a distance of one fermi. 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. About half a century later, Robert Hofstadter won the 1961 Nobel Prize in physics for his work verifying that the radius of an atomic nucleus is about one fermi. Origin Early 20th century: named after E. Fermi (see Fermi, Enrico). Definition of fermi in US English: fermi nounˈfər- A unit of length equal to 10⁻¹⁵ meter (one femtometer), used in nuclear physics. It is similar to the diameter of a proton. 费密（长度单位；=10^-15米；与质子的直径近似） Example sentencesExamples About half a century later, Robert Hofstadter won the 1961 Nobel Prize in physics for his work verifying that the radius of an atomic nucleus is about one fermi. 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. It acts between two neutrons, between two protons, or between a neutron and a proton, as long as they are no farther apart than a distance of one fermi. Origin Early 20th century: named after E. Fermi (see Fermi, Enrico).
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