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| e·lec·tro·mag·net·ic wave (plural e·lec·tro·mag·net·ic waves) |
noun |
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| Definition: |
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wave of electromagnetic energy: a wave of energy with a frequency within the electromagnetic spectrum, generated by the periodic fluctuation of an electromagnetic field resulting from the acceleration or oscillation of an electric charge. Electromagnetic waves can be reflected, refracted, and polarized, and exhibit interference and diffraction effects.
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