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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 ?
Die deutsche Chemikerin Ida Noddack war von der Interpretation der Experimente Fermis, die eine Transmutation von Uran in Transurane behauptete, nicht uberzeugt und kritisierte Fermi in einer bereits am 15.
Fermi Accelerator Laboratorys next generation accelerator experiment will mean a whole new chapter of Fermis scientific work that, hopefully, will span another half century.
The Fermis moved to the Manhattan Project's secret nuclear weapons lab at Los Alamos in 1944.
The jury this year comprises American director Alexander Payne; British actor Ewan McGregor; German actress Diane Kruger; Palestinian actress-turned-director Hiam Abbas; British auteur Andrea Arnold; French actress Emmanuelle Devos; fashion designer Jean-Paul Gaultier; and Haitian filmmaker Raoul Peck, a former topper of Gaul's La Fermis film school.
Abbreviations: AD, asteroid body-wall dermis; ASW, artificial seawater; CA, echinoid catch apparatus; HD, holothuroid body-wall (fermis; KASW, potassium-enriched artificial seawater; NA.
I may also recommend homeopathic remedies to my patients, such as Bioresource's homeopathic molds, Notatum and Quentans and the homeopathic bacteria, Fermis and Subtilis.