Dictionary

electromagnetic wave

noun

Definition of ELECTROMAGNETIC WAVE

:  one of the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity and that include radio waves, infrared, visible light, ultraviolet, X-rays, and gamma rays

First Known Use of ELECTROMAGNETIC WAVE

1906

electromagnetic wave

noun    (Medical Dictionary)

Medical Definition of ELECTROMAGNETIC WAVE

:  one of the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity and that include radio waves, infrared, visible light, ultraviolet, X-rays, and gamma rays

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