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 (fûr′mē, fĕr′-)
n. pl. fer·mis
A unit of length equal to one femtometer (10-15 meter).

[After Enrico Fermi.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈfɜːmɪ; Italian ˈfɛrmi)
(Biography) Enrico (enˈriːko). 1901-54, Italian nuclear physicist, in the US from 1939. He was awarded a Nobel prize for physics in 1938 for his work on radioactive substances and nuclear bombardment and headed the group that produced the first controlled nuclear reaction (1942)


(Nuclear Physics) a unit of length used in nuclear physics equal to 10–15 metre
[C20: named after Enrico Fermi]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈfɜr mi, ˈfɛər-)

a unit of length, 10−15 m, used in measuring nuclear distances. Symbol: F
[after E. Fermi]


(ˈfɜr mi, ˈfɛər-)

Enrico, 1901–54, Italian physicist, in the U.S. after 1939.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fermi - a metric unit of length equal to one quadrillionth of a meter
metric linear unit - a linear unit of distance in metric terms
micromicron, picometer, picometre - a metric unit of length equal to one trillionth of a meter
2.Fermi - 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)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Instead, Fermi's Large Area Telescope (LAT) detects a prominent glow centered on the Moon's position in the sky.
In 2009, Fermi made its data available to the public, and Slatyer and Finkbeiner -together with Harvard postdoc Greg Dobler and collaborators at New York University - put their mining tools to work as soon as the data were released online.
The purpose of the contact is to provide live scan fingerprinting services for specific Fermi Research Alliance LLC employees, to conduct FBI fingerprint-based criminal history record information background checks.
Fessler will re-join Fermi as the chief nuclear officer, effective immediately.
Fermi's Large Area Telescope (LAT) has been looking into space every day and scanning, mapping and measuring it since July 2008.
Julie McEnery, a Fermi project scientist, said: "Developing these unofficial constellations was a fun way to highlight a decade of Fermi's accomplishments.
Destination landmarks were also given constellations in honor of the countries that participated in the Fermi Mission.
Overall, this volume extends the discussions of the previously published special issue, "Gamma-Ray Bursts in the Swift and Fermi Era," and covers more topics about GRBs from gamma-ray to radio wavelengths.
So far, it's unclear if they do: The Fermi Collaboration has reported zero gamma-ray detections from 25 nearby dwarfs, but other studies using Fermi data have reported tentative detections from two dwarf galaxies, Reticulum II and Tucana III.
If there had been an explosion at the Fermi 1 plant, winds could have carried the fallout as far as Port Huron.
The Thomas-Fermi equation appears in the problem of determining the effective nuclear charge in heavy atoms, and because of its importance to theoretical physics, computing its solutions has attracted the attention of the Nobel laureates John Slater (chemistry) [33] and Richard Feynman (physics) [34] and of course Enrico Fermi [27].
The study, based on observations made using the Large Area Telescope (LAT) on NASA's Fermi Gamma-ray Space Telescope, also identifies a population of pulsars in the region around the galactic centre.