FERMI
Fermi, Enrico Fermi
(noun) 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)
femtometer, femtometre, fermi
(noun) a metric unit of length equal to one quadrillionth of a meter
Source: WordNet® 3.1
Etymology
Noun
fermi (plural fermis)
An obsolete unit of length equal to one femtometer or femtometre (10−15 m).
Proper noun
Fermi
A surname.
The physicist Enrico Fermi.
Source: Wiktionary
Recent Word Finds
Word of the Day
28 May 2025
AIR
(noun) a distinctive but intangible quality surrounding a person or thing; “an air of mystery”; “the house had a neglected air”; “an atmosphere of defeat pervaded the candidate’s headquarters”; “the place had an aura of romance”
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