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

Traffic is at a full stop after FM 1187. —Lillie Davidson, Fort Worth Star-Telegram, 29 Apr. 2026

Visitors can also raft or canoe along the Rio Grande from several access points along FM 170, or bird-watch—more than 300 avian species have been spotted in the park. —Amanda Ogle, Travel + Leisure, 28 Apr. 2026

Anyone with information that may assist with search efforts should contact the Coast Guard on VHF-FM channel 16 or call the Joint Rescue Coordination Center Honolulu at 1-800-331-6176. —Brian Brant, PEOPLE, 22 Apr. 2026

In Houston, the robotaxis are available in a roughly 20-square-mile area in the Jersey Village area, bounded by FM 1960 and US 290. —Maliya Ellis, Houston Chronicle, 18 Apr. 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