Definition: Meaning of, Fermi, Enrico in English to English dictionary.
Pronunciation:/ ˈfəːmi;ˈfɛːmi;ˈfermi /
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(1901-54) a US scientist, born in Italy, who won a NOBEL PRIZE for his work on RADIOACTIVITY and produced the first controlled nuclear reaction (= a process in which the parts in the centre of an atom are rearranged to form new substances) .