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English definition of “frequency”

frequency

noun (LIGHT/SOUND/RADIO)    /ˈfriː.kwən.si/
[U] specialized physics the number of times that a wave, especially a light, sound, or radio wave, is produced within a particular period, especially one second: the frequency of light low frequency radiation The human ear cannot hear very high-frequency sounds.Physics in general [C] specialized media a particular number of radio waves produced in a second at which a radio signal is broadcast: Do you know what frequency the BBC World Service is on?Radio
(Definition of frequency noun (LIGHT/SOUND/RADIO) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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