fermi
fermi · fermis
An obsolete name of the unit of length equal to one femtometreAn obsolete name of the unit of length equal to one femtometre (10⁻¹⁵ m).
/ˈfɜː(ɹ)mi/
» NASA's Fermi Gamma-ray Space Telescope has detected a signal coming from the center of the Andromeda galaxy.
Meaning
1 sensesAn obsolete name of the unit of length equal to one femtometre (10⁻¹⁵ m).
a metric unit of length equal to one quadrillionth of a meter
Examples
1 sentencesNASA's Fermi Gamma-ray Space Telescope has detected a signal coming from the center of the Andromeda galaxy.
Origin
Named after Italian physicist Enrico Fermi.Named after Italian physicist Enrico Fermi.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: fermisSynonyms
3 synonymsClose in meaning
- Italian nuclear physicist (in the United States after 1939) who worked on artificial radioactivity caused by neutron bombardment and who headed the group that in 1942 produced the first controlled nuclear reaction (1901-1954):Enrico Fermi
- a metric unit of length equal to one quadrillionth of a meter:femtometerfemtometre