radio spectrum

radio spectrum
noun
the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television (Freq. 1)
Hypernyms: ↑spectrum
Part Holonyms: ↑electromagnetic spectrum
Part Meronyms: ↑radio wave, ↑radio emission, ↑radio radiation

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noun
1. : the region of the electromagnetic spectrum usually including frequencies below thirty thousand megacycles in which radio or radar transmission and detection techniques may be used
2. : the molecular absorption spectrum of a substance in the radio-spectrum region

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the portion of the electromagnetic spectrum that includes radio waves.
[1925-30]

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radio spectrum noun
The range of radio frequencies
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Main Entry:radio

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radio spectrum,
the entire range of radio waves, from 3 centimeters to 30,000 meters.

Useful english dictionary. 2012.

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