electromagnetic spectrum

== English == === Pronunciation === === Noun === electromagnetic spectrum (plural electromagnetic spectra) (physics) The entire range of wavelengths of all known electromagnetic radiations extending from gamma rays, to X-rays through visible light, infrared, to radio waves. ==== Hypernyms ==== spectrum ==== Hyponyms ==== ==== Translations ==== === See also === cosmic ray gamma ray X-ray ultraviolet visible light infrared radiation microwave radio wave === Further reading === electromagnetic spectrum on Wikipedia.Wikipedia