fm

1 of 4

abbreviation (1)

fathom

Fm

2 of 4

symbol

fermium

FM

3 of 4

noun

often attributive
: a broadcasting system using frequency modulation
also : a radio receiver of such a system

FM

4 of 4

abbreviation (2)

field manual

Examples of fm in a Sentence

Recent Examples on the Web
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Noun
Junior Célestin of Radio Television Megastar and Osnel Espérance of Radio Uni FM were kidnapped on Friday while reporting near the presidential palace, and their whereabouts and conditions are unknown. Jacqueline Charles, Miami Herald, 17 Mar. 2026 Junior Célestin of Radio Television Megastar and Osnel Espérance of Radio Uni FM were reporting in downtown Port-au-Prince on Friday when they were taken, according to Radio Uni FM. ABC News, 16 Mar. 2026 Yet the music got out, with a WBCN free-form FM DJ in Boston being captivated enough to give their single nightly airplay, and to ultimately give his copy to Frank Zappa, who became the group’s first celebrity champion. Chris Willman, Variety, 15 Mar. 2026 Traffic will be directed to take CR 920 and turn onto southbound FM 1902/Granbury Road. Hedija Spahalic, Dallas Morning News, 14 Mar. 2026 See All Example Sentences for fm

Word History

Etymology

Noun

frequency modulation

First Known Use

Noun

1940, in the meaning defined above

Time Traveler
The first known use of fm was in 1940

Browse Nearby Words

Cite this Entry

“Fm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fm. Accessed 19 Mar. 2026.

Kids Definition

FM

noun
ˈef-ˌem
: a system of broadcasting using frequency modulation
also : a receiver of radio waves broadcast by such a system
FM adjective

Medical Definition

Fm

symbol
fermium
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