Cite
 

Meaning of electromagnetic spectrum

elec'tromagnet'ic spec'trum

Pronunciation: [key]
  1. the entire spectrum, considered as a continuum, of all kinds of electric, magnetic, and visible radiation, from gamma rays having a wavelength of 0.001 angstrom to long waves having a wavelength of more than 1 million km.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: