フェルミ
フェ
ル
ミ
Meanings
1
fermi; femtometer
A unit of length equal to 10⁻¹⁵ meters, used in nuclear and particle physics. Named after Enrico Fermi.
See also: フェムトメートル
The radius of an atomic nucleus is on the order of a few fermis.
One fermi is equal to 10 to the power of minus 15 meters.