fermi
English Thesaurus
1. 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) (noun.person)
| instance hypernym | : | nuclear physicist, |
| definition | : | a physicist who specializes in nuclear physics (noun.person) |
2. a metric unit of length equal to one quadrillionth of a meter (noun.quantity)
| hypernym | : | metric linear unit, |
| definition | : | a linear unit of distance in metric terms (noun.quantity) |
| part meronym | : | micromicron, picometer, picometre, |
| definition | : | a metric unit of length equal to one trillionth of a meter (noun.quantity) |
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