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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Other theaters may use an FM system, transmitting sound to headphones via radio transmission. Lisa Schencker, Chicago Tribune, 24 Jan. 2026 Detour Doughnuts is located at 8161 FM 423, Frisco. Claire Ballor staff Reporter, Dallas Morning News, 23 Jan. 2026 The $30 million supermarket will span 127,186 square feet at the southeast intersection of FM 2854 and Texas 105. Julianna Duennes Russ, Austin American Statesman, 18 Jan. 2026 The Score's broadcasts of Chicago Bulls and Cubs games will be heard on the FM simulcast, as will the station's other sports talk, analysis, and play-by-play programming. Adam Harrington, CBS News, 14 Jan. 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 30 Jan. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!