radio wave
English Thesaurus
1. an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m (noun.phenomenon)
hyponym | : | sky wave, |
definition | : | 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 (noun.phenomenon) |
hyponym | : | ground wave, |
definition | : | a radio wave propagated on or near the earth's surface (noun.phenomenon) |
hyponym | : | radio signal, |
definition | : | a radio wave used to transmit and receive messages (noun.phenomenon) |
hyponym | : | carrier, carrier wave, |
definition | : | a radio wave that can be modulated in order to transmit a signal (noun.phenomenon) |
hyponym | : | short wave, |
definition | : | a radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz) (noun.phenomenon) |
hyponym | : | medium wave, |
definition | : | a radio wave with a wavelength between 100 and 1000 meters (a frequency between 300 kilohertz and 3000 kilohertz) (noun.phenomenon) |
hyponym | : | long wave, |
definition | : | a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz) (noun.phenomenon) |
part meronym | : | radio spectrum, radio-frequency spectrum, |
definition | : | the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television (noun.phenomenon) |
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