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

Moon as a shield Earth’s ionosphere and radio interference (FM radio, telecommunications) block these low-frequency signals. — Mrigakshi Dixit, Interesting Engineering, 14 Aug. 2026

My own sources state that this is true — KCAL-FM was not profitable. — Richard Wagoner, Daily News, 10 Aug. 2026

In an interview with the Philippines’ Star FM Baguo, Rivera said that her daughter Angela Kelly had seen the Facebook ad and urged her to audition. — Abid Rahman, HollywoodReporter, 4 Aug. 2026

The internship interview, arranged for me as a huge favor from the dean of my music school, was at Allegro FM, home to the legendary Bertram Bobker, who’d been the voice of the station for the past forty-some years. — Literary Hub, 30 July 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