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  • fm
    fm
    femtometer.
  • Fm
    Fm
    fermium.
  • FM
    FM
    frequency modulation: a method of impressing a signal on a radio carrier wave by varying the frequency of the carrier wave.
  • fm.
    fm.
    abbreviation
    fathom.
  • f.m.
    f.m.
    abbreviation
    (in prescriptions) make a mixture.

fm

1 American  
Symbol, Physics.
  1. femtometer.


Fm 2 American  
Symbol, Chemistry.
  1. fermium.


FM 3 American  
  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, relating to, or utilizing such a system.


fm. 4 American  

abbreviation

  1. fathom.

  2. from.


f.m. 5 American  

abbreviation

  1. (in prescriptions) make a mixture.


fm 1 British  

abbreviation

  1. fathom

  2. from

"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

abbreviation

  1. Micronesia

"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
FM 2 British  

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

Fm 3 British  

symbol

  1. fermium

"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

FM Scientific  
  1. Abbreviation of frequency modulation


Etymology

Origin of f.m.

From Latin fīat mistūra

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

KNX’s news format benefited from the FM simulcast, with its share of the audience up more than 25% since it began in December 2021.

From Los Angeles Times • Apr. 28, 2026

Brackett is a co-founder of Legacy FM, which designs training programs for facilities-management teams in hospitals.

From The Wall Street Journal • Apr. 23, 2026

Rowell, originally from Sunderland, worked as a DJ for commercial radio station GWR FM in the late 1980s and 1990s, before joining HTV West, now ITV West Country.

From BBC • Apr. 9, 2026

At the same time, the ratio of FFM to FM increased, indicating an overall improvement in body composition.

From Science Daily • Apr. 9, 2026

There’s the constant lite FM, which occasionally borders on dangerously funky, coming out of the nurses’ station whether Smitty or Howard is behind it.

From "It’s Kind of a Funny Story" by Ned Vizzini

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