noun
an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m (Freq. 2)
• Syn: ↑radio emission, ↑radio radiation
• Hypernyms: ↑electromagnetic radiation, ↑electromagnetic wave, ↑nonparticulate radiation
• Hyponyms:
↑sky wave, ↑ground wave, ↑radio signal, ↑carrier wave, ↑carrier, ↑short wave, ↑medium wave, ↑long wave
• Part Holonyms: ↑radio spectrum, ↑radio-frequency spectrum
* * *
noun, pl ⋯ waves [count]
: an electromagnetic wave that is used for sending signals through the air without using wires
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a low-energy ↑electromagnetic wave, especially when used for long-distance communication
Useful english dictionary. 2012.