fm

1 of 4

abbreviation (1)

fathom

Fm

2 of 4

symbol

fermium

FM

3 of 4

noun

ˈef-ˌem How to pronounce FM (audio)
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
One bridge in Uvalde County, the FM 481 bridge, has collapsed due to severe flooding, TxDOT shared on Facebook. — Natassia Paloma, USA Today, 17 July 2026 About 20,000 homes are planned from FM 1171 in Flower Mound to Denton. — Rachel Royster, Fort Worth Star-Telegram, 16 July 2026 Inside, meanwhile, Italian studio FM Architettura focused on filling each room with light. — Nicole Hoey, Robb Report, 14 July 2026 The ones that wouldn’t have been listening to KISS-FM or KMET. — Peter Larsen, Daily News, 14 July 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

flywire
fm
Fm
See all Nearby Words

Cite this Entry

“Fm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fm. Accessed 24 Jul. 2026.

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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
Last Updated: - Updated example sentences
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