English
Noun
wikipedia
electromagnetic spectrum
- The entire range of wavelengths of all known electromagnetic radiations extending from gamma rays through visible light, infrared, and radio waves, to X Rays. It is divided into 26 alphabetically designated bands, having frequencies of 0 to at least 10<sup>23</sup> hertz.
See also
cosmic ray
gamma ray
X-ray
ultraviolet radiation
visible light
infrared radiation
microwave
radio wave
Category:English noun phrases
Category:English nouns
vi:electromagnetic spectrum
|