I. ˈef-ˌem noun
Usage: often attributive
Etymology: f requency m odulation
Date: 1940
: a broadcasting system using frequency modulation ; also : a radio receiver of such a system
II. abbreviation
field manual
I. ˈef-ˌem noun
Usage: often attributive
Etymology: f requency m odulation
Date: 1940
: a broadcasting system using frequency modulation ; also : a radio receiver of such a system
II. abbreviation
field manual
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003