| / English Dictionary |
FERMI
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
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)
Synonyms:
Enrico Fermi; Fermi
Classified under:
Instance hypernyms:
nuclear physicist (a physicist who specializes in nuclear physics)
Sense 2
Meaning:
A metric unit of length equal to one quadrillionth of a meter
Synonyms:
femtometer; femtometre; fermi
Classified under:
Nouns denoting quantities and units of measure
Hypernyms ("fermi" is a kind of...):
metric linear unit (a linear unit of distance in metric terms)
Holonyms ("fermi" is a part of...):
micromicron; picometer; picometre (a metric unit of length equal to one trillionth of a meter)
Context examples:
A blazar appears bright to Fermi for two reasons.
(WISE, Fermi Missions Reveal a Surprising Blazar Connection, NASA)
To Fermi, this appeared to be a typical short gamma-ray burst, but it occurred less than one-tenth as far away as any other short burst with a known distance, making it among the faintest known.
(NASA Missions Catch First Light from a Gravitational-Wave Event, NASA)
In 2011, Massaro, D'Abrusco and their colleagues began using WISE data to investigate Fermi blazars.
(WISE, Fermi Missions Reveal a Surprising Blazar Connection, NASA)
Shortly after 8:41 a.m. EDT on Aug. 17, NASA's Fermi Gamma-ray Space Telescope picked up a pulse of high-energy light from a powerful explosion, which was immediately reported to astronomers around the globe as a short gamma-ray burst.
(NASA Missions Catch First Light from a Gravitational-Wave Event, NASA)
When the researchers applied this relationship to Fermi's unknown sources, they quickly found 130 potential blazars.
(WISE, Fermi Missions Reveal a Surprising Blazar Connection, NASA)
Within hours of the initial Fermi detection, LIGO and the Virgo detector at the European Gravitational Observatory near Pisa, Italy, greatly refined the event's position in the sky with additional analysis of gravitational wave data.
(NASA Missions Catch First Light from a Gravitational-Wave Event, NASA)
Blazars constitute more than half of the discrete gamma-ray sources seen by Fermi's Large Area Telescope (LAT).
(WISE, Fermi Missions Reveal a Surprising Blazar Connection, NASA)
The discovery, which was accomplished by comparing data from NASA's Wide-field Infrared Survey Explorer (WISE) and Fermi Gamma-ray Space Telescope, has enabled the researchers to uncover dozens of new blazar candidates.
(WISE, Fermi Missions Reveal a Surprising Blazar Connection, NASA)
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