Noun: high frequency hI'free-kwun(t)-see
- 3 to 30 megahertz
"High frequency radio signals are used for international communications";
- HF
- A pitch that is perceived as above other pitches
"The soprano's high frequency notes shattered the glass";
- high pitch
Derived forms: high frequencies
Type of: pitch, radio, radio frequency
Antonym: low frequency
Part of: electromagnetic spectrum
Encyclopedia: High frequency