- femtometer.
- fermium.
- frequency modulation: a method of impressing a signal on a radio carrier wave by varying the frequency of the carrier wave.
- a system of radio broadcasting by means of frequency modulation.
- of, relating to, or utilizing such a system.
- fathom.
- from.
- (in prescriptions) make a mixture.
- fathom
- from
- Micronesia
- fermium
- frequency modulation
- Field Marshal
- figure of merit