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FM

1.
Electronics. frequency modulation: a method of impressing a signal on a radio carrier wave by varying the frequency of the carrier wave.
2.
Radio. a system of radio broadcasting by means of frequency modulation.
3.
of, pertaining to, or utilizing such a system.
Compare AM.

Fm

Symbol, Chemistry
1.

fm

Symbol, Physics.

fm.

1.
2.
from.

f.m.

1.
(in prescriptions) make a mixture.
Origin
< Latin fīat mistūra
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for FM

fm

abbreviation
1.
fathom
2.
from
abbreviation
3.
Micronesia

Fm

Chemical symbol
1.
fermium

FM

abbreviation
1.
frequency modulation
2.
Field Marshal
3.
(aeronautics) figure of merit
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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FM in Medicine

Fm
The symbol for the element fermium.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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FM in Science
Fm  
The symbol for fermium.
FM  
Abbreviation of frequency modulation
fermium
  (fûr'mē-əm)   
Symbol Fm
A synthetic, radioactive metallic element of the actinide series that is produced from plutonium or uranium. Its most stable isotope is Fm 257 with a half-life of approximately 100 days. Atomic number 100. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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FM in Technology


1. Frequency Modulation.
2. Fucking Manual, a back-formation from RTFM. Used to refer to the manual itself.
3. Fucking Magic, in the sense of black magic.
(2001-04-30)

networking
The country code for the Federated States of Micronesia.
Heavily used for vanity domains by FM radio stations.
(1999-01-27)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Related Abbreviations for FM

Fm

fermium

FM

  1. field manual
  2. field marshal
  3. frequency modulation
  4. friable material

fm.

  1. fathom
  2. from
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia Article for FM

Fm

(Fm), synthetic chemical element of the actinoid series of the periodic table, atomic number 100. Fermium (as the isotope fermium-255) is produced by the intense neutron irradiation of uranium-238 and was first positively identified by Albert Ghiorso and coworkers at Berkeley, Calif., in debris taken from the first thermonuclear or hydrogen-bomb test explosion (November 1952), in the South Pacific. All fermium isotopes are radioactive. Mixtures of the isotopes fermium-254 (3.24-hour half-life), fermium-255 (20.1-hour half-life), fermium-256 (2.7-hour half-life), and fermium-257 (80-day half-life) can be produced by the intensive slow-neutron irradiation of elements of lower atomic number, such as plutonium.

Learn more about Fm with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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