1. [n]  modulation of the frequency of the (radio) carrier wave
2. [n]  a radioactive transuranic metallic element produced by bombarding plutonium with neutrons

Fm
In the heyday of FM radio, roughly the late 1960s through the early `80s, DJs were an integral part of the music business and their decision to either play or not play a song could make or break an artist. As a result, radio DJs came to be regarded with near-celebrity status in the business and were treated accordingly. This history of FM radio, written by a former New York DJ, tells of the free-for-all that was album oriented rock.

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1. 1. Frequency Modulation.

   2. Fucking Manual, a back-formation from RTFM. Used to refer to the manual itself.

   3. Fucking Magic, in the sense of black magic.

2. The country code for the Federated States of Micronesia.

   Heavily used for vanity domains by FM radio stations.