Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun sky_wave

1 sense of sky wave

Sense 1
sky wave -- (a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth's surface)
       => radio wave, radio emission, radio radiation -- (an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m)