Home › Words › L › longwavelongwavelongwave means having a wavelength of greater than 1000 meters.EtymologyFrom long + wave.adjHaving a wavelength of greater than 1000 meters.Capable of transmitting or receiving signals at such a wavelength.nounRadio having a wavelength greater than 1000 meters.e.g.“He likes to listen to BBC Radio 4 on longwave.”Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.mediumwave 79% match — Of radio waves, having a wavelength of approximately 100 to 1000 meters vs longwave →midwave 67% match — Between shortwave and longwave. vs longwave →shortwave 66% match — 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. vs longwave →superwavelength 66% match — Numerically greater than a wavelength vs longwave →longwards 65% match — Towards the long wavelength region of a spectrum vs longwave →multiwavelength 56% match — Involving, or composed of, multiple wavelengths. vs longwave →decimetric 56% match — Having dimensions (especially wavelength) measured in decimetres vs longwave →superlong 56% match — Very long vs longwave →