Dictionary
electromagnetic spectrum
noun
Definition of ELECTROMAGNETIC SPECTRUM
: the entire range of wavelengths or frequencies of electromagnetic radiation extending from gamma rays to the longest radio waves and including visible light
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First Known Use of ELECTROMAGNETIC SPECTRUM
circa 1934
Medical Dictionary
electromagnetic spectrum
noun
Medical Definition of ELECTROMAGNETIC SPECTRUM
: the entire range of wavelengths or frequencies of electromagnetic radiation extending from gamma rays to the longest radio waves and including visible light
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