Definitions from Wiktionary ( )

▸ noun:  (uncountable) Initialism of frequency modulation. [(sound, radio) the use of a modulating wave to vary the instantaneous frequency of a carrier wave]
▸ noun:  (countable, military) Initialism of field marshal. [(military) In certain nations the highest military rank, ranking below only the commander in chief; now essentially disused.]
▸ noun:  (countable) Initialism of finance minister. [A cabinet minister or government official responsible for overseeing fiscal policy and government finances.]
▸ noun:  (countable) Initialism of foreign minister. [The cabinet official in charge of relationships with foreign nations.]
▸ noun:  (countable) Initialism of first minister. [The principal minister of a ruler or state.]
▸ noun:  Initialism of finance ministry.
▸ noun:  Initialism of foreign ministry.
▸ noun:  Initialism of first ministry.
▸ noun:  (countable) Initialism of field manual.
▸ noun:  (pathology) Initialism of fibromyalgia. [(medicine, pathology) A condition characterised by chronic pain, stiffness, and tenderness of the muscles, tendons, and joints.]
▸ noun:  (countable, aviation) Initialism of fan marker. [(aviation) An obsolescent type of marker beacon, usually used to mark en route airways but occasionally used as part of a non-precision approach, which radiates in a pattern that is considerably wider, from the perspective of an aircraft approaching the marker along the airway, than it is long (allowing an aircraft to pick up the signal from the marker even if slightly to one side of the airway's centerline).]
▸ noun:  (countable, chess) Initialism of FIDE Master.

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