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electromagnetic wave
noun
, Physics.
- a wave produced by the acceleration of an electric charge and propagated by the periodic variation of intensities of, usually, perpendicular electric and magnetic fields.
electromagnetic wave
electromagnetic wave
- A wave of energy consisting of electric and magnetic fields, oscillating at right angles to each other.
- See more at electromagnetic radiation
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Word History and Origins
Origin of electromagnetic wave1
First recorded in 1905–10
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