Definition of electromagnetic spectrum in English:

electromagnetic spectrum

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

noun

Physics
  • The range of wavelengths or frequencies over which electromagnetic radiation extends.
    More 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.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody