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electromagnetic wave
noun
: one of the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity and that include radio waves, infrared, visible light, ultraviolet, X-rays, and gamma rays
Examples of electromagnetic wave in a Sentence
Recent Examples on the Web
The power settings on a microwave control exactly how many (and when) electromagnetic waves are released into your food.
—Audrey Bruno, SELF, 14 Oct. 2024
And an alternative de-mining solution, underground radar, which emits high-frequency electromagnetic waves into the ground, has the disadvantage of being easily affected by the condition of the soil.
—Ritsuko Kawai, WIRED, 4 Dec. 2024
If possible, keep it away from other devices that use electromagnetic waves; that includes baby monitors, wireless keyboards, and microwaves.
2.
—Scott Gilbertson, WIRED, 1 Nov. 2024
The report highlights significant advancements in developing aerial, maritime, and ground drones, as well as electronic warfare systems, which disable or confuse enemy communications or weapons using various types of electromagnetic waves, from radio to radar to microwave.
—Katya Soldak, Forbes, 17 Oct. 2024
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Word History
First Known Use
1882, in the meaning defined above
Time Traveler
The first known use of electromagnetic wave was
in 1882
Dictionary Entries Near electromagnetic wave
Cite this Entry
“Electromagnetic wave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electromagnetic%20wave. Accessed 23 Dec. 2024.
Kids Definition
electromagnetic wave
noun
: a wave (as a radio wave, wave of visible light, or X-ray) that consists of an associated electric and magnetic effect and travels at the speed of light
Medical Definition
electromagnetic wave
noun
: one of the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity and that include radio waves, infrared, visible light, ultraviolet, X-rays, and gamma rays
More from Merriam-Webster on electromagnetic wave
Britannica.com: Encyclopedia article about electromagnetic wave
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