fm

1 of 4

abbreviation (1)

fathom

Fm

2 of 4

symbol

fermium

FM

3 of 4

noun

ˈef-ˌem 

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

Noun

Fifty-three percent of the audience for AM and FM radio listen in cars, according to the NAB. — Chris Isidore, CNN Money, 11 Oct. 2026

Explore See latest videos, charts and news Leading the pack is Cocoteo FM, a Latin music station hosted by Bad Bunny and fellow Puerto Rican singer RaiNao, who will take to the air under the names El Martillo and La Gata. — Gil Kaufman, Billboard, 9 Oct. 2026

Bad Bunny and fellow Puerto Rican singer-songwriter RaiNao will appear in the video game as El Martillo and La Gata, hosts of Cocoteo FM, which focuses on modern Latin music. — Jon Blistein, Rolling Stone, 8 Oct. 2026

So people’s memory of these songs being famous is partly influenced by their ubiquity on certain types of FM radio. — Chris Willman, Variety, 8 Oct. 2026

Word History

Etymology

Noun

frequency modulation

First Known Use

Noun

1940, in the meaning defined above

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