1. (noun) an electromagnetic wave frequency between audio and infrared

• ehf
• extremely high frequency
• elf
• extremely low frequency
• hf
• high frequency
• lf
• low frequency
• medium frequency
• mf
• shf
• superhigh frequency
• station
• uhf
• ultrahigh frequency
• very high frequency
• vhf
• very low frequency
• vlf

1. (noun) an electromagnetic wave frequency between audio and infrared

• frequence
• frequency
• oftenness