| NOUN | phenomenon | radio spectrum, radio-frequency spectrum | the entire spectrum of electromagnetic frequencies used for communications |
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| Meaning | The entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television. | |
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| Synonym | radio-frequency spectrum | |
| Part of | electromagnetic spectrum | The entire frequency range of electromagnetic waves |
| Parts | radio wave, radio emission, radio radiation | An electromagnetic wave with a wavelength between 0.5 cm to 30,000 m |
| Broader | spectrum | An ordered array of the components of an emission or wave |
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