Definition of electromagnetic radiation in English:
noun[mass noun] Physics
A kind of radiation including visible light, radio waves, gamma rays, and X-rays, in which electric and magnetic fields vary simultaneously.
- Gamma radiation is a form of electromagnetic radiation, just like radio waves and visible light, only much more energetic.
- Gamma rays are electromagnetic radiation originating in the atomic nuclei, physically identical to x-rays.
- Visible light is just a small part of a continuum of electromagnetic radiation that extends from radio waves to gamma rays.
Definition of electromagnetic radiation in:
- US English dictionary
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