FM: Meaning and Definition of
- 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, pertaining to, or utilizing such a system. Cf. AM.
— Symbol, Chem.
— Symbol, Physics.
- (in prescriptions) make a mixture.
- fm (Thesaurus)