noun
1. 30 to 300 kilohertz (Freq. 2)
• Syn: ↑LF
• Hypernyms: ↑radio frequency
• Part Holonyms: ↑electromagnetic spectrum
2. a pitch that is perceived as below other pitches
• Syn: ↑low pitch
• Ant: ↑high pitch (for: ↑low pitch)
• Hypernyms: ↑pitch
• Hyponyms: ↑deepness
Useful english dictionary. 2012.