- FM
- FM FM n. [Frequency Modulaiton.]
A method of transmitting radio signals by modulating the
frequency of the carrier wave; -- opposed to AM (amplitude
modulation), in which the signal modulates the amplitude,
rather than the frequency of the carrier wave. [acron.]
Syn: frequency modulation. [WordNet 1.5 +PJC]
The Collaborative International Dictionary of English. 2000.