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electromagnetic radiation
Found in thesaurus: radiation
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electromagnetic radiation
any type of electromagnetic wave (waves composed of undulating electrical fields and magnetic fields)
| English Wikipedia - The Free Encyclopedia | Download this dictionary |
Electromagnetic radiation
Electromagnetic radiation (EM radiation or EMR) is the radiant energy released by certain electromagnetic processes. Visible light is one type of electromagnetic radiation; other familiar forms are invisible electromagnetic radiations, such as radio waves, infrared light and X rays.
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| WordNet 2.0 | Download this dictionary |
electromagnetic radiation
Noun
1. radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
(synonym) electromagnetic wave, nonparticulate radiation
(hypernym) radiation
(hyponym) actinic radiation, actinic ray
(part-meronym) photon
| NCI Dictionary of Cancer Terms | Download this dictionary |
electromagnetic radiation
Low-energy radiation that comes from the interaction of electric and magnetic fields. Sources include power lines, electric appliances, radio waves, microwaves, and others. Also called electromagnetic field.
A Service of the National Cancer Institute.
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electromagnetic radiation (EMR)
Radiation made up of oscillating electric and magnetic fields and propagated with the speed of light. Includes gamma radiation, X-rays, ultraviolet, visible, and infrared radiation, and radar and radio waves. [JP1]
