Definition of fm
(Entry 1 of 4)
fathom
Fm
symbolDefinition of Fm (Entry 2 of 4)
fermium
Definition of FM (Entry 3 of 4)
: a broadcasting system using frequency modulation
also
: a radio receiver of such a system
Definition of FM (Entry 4 of 4)
field manual
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Merriam-Webster unabridged
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Time Traveler for fm
The first known use of fm was in 1940
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