radio spectrum
noun
the portion of the electromagnetic spectrum that includes radio waves.
Origin of radio spectrum
First recorded in 1925–30
Words nearby radio spectrum
radio microphone,
radio range beacon,
radio receiver,
radio shack,
radio source,
radio spectrum,
radio star,
radio station,
radio taxi,
radio telescope,
radio tube
British Dictionary definitions for radio spectrum
radio spectrum
noun
the range of electromagnetic frequencies used in radio transmission, lying between 10 kilohertz and 300 000 megahertz