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noun
3 to 30 megahertz.
synonym: HF.
is a specific kind of: radio frequency.
is a part of: electromagnetic spectrum.
A pitch that is perceived as above other pitches.
synonym: high pitch.
is a specific kind of: pitch.
is the opposite of: low frequency, low pitch.
Polish: cienkość
Find more on high frequency elsewhere: etymology - rhymes - Wikipedia.
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