English > electromagnetic wave: 1 sense > noun 1, phenomenon| Meaning | Radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge. |
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| Synonyms | electromagnetic radiation, nonparticulate radiation |
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| Parts | photon | A quantum of electromagnetic radiation |
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| Narrower | X ray, X-ray, X-radiation, roentgen ray | electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target |
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| actinic radiation, actinic ray | electromagnetic radiation that can produce photochemical reactions |
| beam, ray, electron beam | A group of nearly parallel lines of electromagnetic radiation |
| black-body radiation, blackbody radiation | The electromagnetic radiation that would be radiated from an ideal black body |
| gamma radiation, gamma ray | electromagnetic radiation emitted during radioactive decay and having an extremely short wavelength |
| line | A single frequency (or very narrow band) of radiation in a spectrum |
| microwave | A short electromagnetic wave (longer than infrared but shorter than radio waves) |
| radio wave, radio emission, radio radiation | An electromagnetic wave with a wavelength between 0.5 cm to 30,000 m |
| Broader | radiation | Energy that is radiated or transmitted in the form of rays / rays or waves or particles |
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| Spanish | onda electromagnética, radiación electromagnética |
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| Catalan | ona electromagnètica, radiació electromagnètica |
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