high frequency

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. 3 to 30 megahertz (Freq. 1)
• Syn:
HF
• Hypernyms:
radio frequency
• Part Holonyms:
electromagnetic spectrum
2. a pitch that is perceived as above other pitches (Freq. 1)
• Syn:
high pitch
• Ant:
low pitch (for: high pitch)
• Hypernyms:
pitch