electromagnetic radiation


Definition of electromagnetic radiation

: energy in the form of electromagnetic waves also : a series of electromagnetic waves

Examples of electromagnetic radiation in a Sentence

Recent Examples on the Web The spectrum of electromagnetic radiation includes microwaves, radio waves, the visible colors of light, infrared, ultraviolet, and X-rays and gamma rays. Caroline Delbert, Popular Mechanics, 26 Apr. 2022 THz imaging uses high-frequency pulses of electromagnetic radiation in much the same way, measuring how that terahertz radiation reflects off the various layers of paint. Jennifer Ouellette, Ars Technica, 29 Apr. 2022 After the advent of atomic physics, scientists developed a way to pass cesium atoms through radio waves, and then microwaves, a form of high-frequency electromagnetic radiation. Manasee Wagh, Popular Mechanics, 28 Mar. 2022 Photons are particles of electromagnetic radiation. Manasee Wagh, Popular Mechanics, 30 Mar. 2022 Both Bellingcat and the Journal reported that the Western experts who examined the incident were unable to determine whether the symptoms were caused by a chemical or biological agent or electromagnetic radiation. Washington Post, 25 Mar. 2022 Radio waves are a form of electromagnetic radiation. Daniel Funke, USA TODAY, 31 Jan. 2022 The electromagnetic radiation of an X-ray could indeed do some damage to undeveloped negatives, in particular to high-speed film that’s particularly photosensitive. Eric Griffith, PCMAG, 18 Jan. 2022 Rather than heating by steam as in traditional saunas, infrared saunas use lamps that release electromagnetic radiation into the air. Laura Peill, Outside Online, 11 Feb. 2019 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'electromagnetic radiation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of electromagnetic radiation

1891, in the meaning defined above

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Time Traveler for electromagnetic radiation

Time Traveler

The first known use of electromagnetic radiation was in 1891

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Dictionary Entries Near electromagnetic radiation

electromagnetic pulse

electromagnetic radiation


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Statistics for electromagnetic radiation

Last Updated

14 Jun 2022

Cite this Entry

“Electromagnetic radiation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electromagnetic%20radiation. Accessed 30 Jun. 2022.

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More Definitions for electromagnetic radiation

electromagnetic radiation


Medical Definition of electromagnetic radiation

: a series of electromagnetic waves

More from Merriam-Webster on electromagnetic radiation

Britannica.com: Encyclopedia article about electromagnetic radiation


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