(1901–54), Italian-born American atomic physicist, who directed the first controlled nuclear chain reaction in 1942. Nobel Prize for Physics (1938).
Definition of Fermi, Enrico in US English:
Fermi, Enrico
proper nounˈfermē
(1901–54), US atomic physicist; born in Italy. He directed the first controlled nuclear chain reaction in 1942 and joined the Manhattan Project to work on the atom bomb. Nobel Prize for Physics (1938).