Definition of electromagnetic spectrum in English:

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electromagnetic spectrum


The range of wavelengths or frequencies over which electromagnetic radiation extends.
Example sentences
  • The frequency range of the electromagnetic spectrum that is visible to the human eye (and which we refer to as ‘color’) is a very small region in the entire range of photon energies we have observed in nature.
  • The terahertz region lies between electronic and optical wave frequencies in the electromagnetic spectrum, and ranges from 100 GHz to 10 THz in frequency.
  • The radio frequency electromagnetic spectrum is more important to the Department of the Navy today than it has ever been in the more than 100-year history of radio.

For editors and proofreaders

Syllabification: e·lec·tro·mag·net·ic spec·trum

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