fm has definitions from the fields of electronics,chemistry
1
[ noun ] (electronics) modulation of the frequency of the (radio) carrier wave

Used in print

(Walter H. Buchsbaum, "Advances in Medical Electronics"...)

These frequencies are amplified and detected by the FM receiver after each burst of transmitted energy and , after the `` pill '' has been calibrated , precise internal pressure indications can be obtained .

Related terms

modulation

2
[ noun ] (chemistry) a radioactive transuranic metallic element produced by bombarding plutonium with neutrons

Related terms

metallic_element

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