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n. Abbr. HF
A radio frequency in the range between 3 and 30 megahertz.
a. a radio-frequency band or radio frequency lying between 3 and 30 megahertz. Abbreviation: HF
b. (as modifier): a high-frequency transmitter.
the range of frequencies in the radio spectrum between 3 and 30 megahertz.
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|Noun||1.||high frequency - 3 to 30 megahertz|
radio frequency - an electromagnetic wave frequency between audio and infrared
electromagnetic spectrum - the entire frequency range of electromagnetic waves
|2.||high frequency - a pitch that is perceived as above other pitches|
pitch - the property of sound that varies with variation in the frequency of vibration