shortwave

== English == === Etymology === The noun is derived from short (adjective) +‎ wave (noun). The adjective is from an attributive use of the noun. The adverb is also derived from the noun. === Pronunciation === (Received Pronunciation) IPA(key): /ˈʃɔːtweɪv/ (General American) IPA(key): /ˈʃoɹtˌweɪv/ Hyphenation: short‧wave === Noun === shortwave (plural shortwaves) (physics, telecommunications) An electromagnetic wave with a relatively short wavelength; specifically, one with a wavelength generally between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz. Synonyms: decameter wave, (initialism) SW Coordinate terms: longwave, (initialism) LW, mediumwave, microwave, (initialism) MW (meteorology) Downward radiation in the shortwave (sense 1) frequency range which enters the Earth's atmosphere. (radio, telecommunications) A waveband comprising radio waves in the shortwave (sense 1) frequency range, especially when used in broadcasting. In full shortwave radio: a radio which is able to receive radio waves in the shortwave (sense 1) waveband. ==== Alternative forms ==== short-wave, short wave ==== Derived terms ==== ultrashortwave ==== Translations ==== ==== See also ==== === Adjective === shortwave (not comparable) (radio, telecommunications) Of a radio wave: having a wavelength of between 10 and 100 metres, corresponding to a frequency between 3 and 30 megahertz. Of radio equipment: capable of receiving or transmitting radio signals at wavelengths in the above range. ==== Coordinate terms ==== longwave mediumwave microwave ==== Translations ==== === Adverb === shortwave (not comparable) (radio, telecommunications) Using radio waves having wavelengths of between 10 and 100 metres, corresponding to frequencies between 3 and 30 megahertz. ==== Translations ==== === References === === Further reading === shortwave radio on Wikipedia.Wikipedia