elec·​tro·​mag·​net·​ic | \ i-ˌlek-trō-mag-ˈne-tik How to pronounce electromagnetic (audio) \

Definition of electromagnetic

: of, relating to, or produced by electromagnetism

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Other Words from electromagnetic

electromagnetically \ i-​ˌlek-​trō-​mag-​ˈne-​ti-​k(ə-​)lē How to pronounce electromagnetic (audio) \ adverb

Examples of electromagnetic in a Sentence

Recent Examples on the Web Pela has phone cases and tech accessories such as a zero-waste screen protector and Ethos radiation reduction that claims to redirect up to 80% of the electromagnetic field from a cell phone. oregonlive, "The best green beauty brands good for your skin and the planet: Earth Day," 22 Apr. 2021 Step counters are triaxial accelerometers, which use electromagnetic sensors to pick up movement across three planes. Sara Harrison, Wired, "How to Make a Fitbit for an Elephant," 4 Feb. 2021 The ultra-white paint, on the other hand, uses radiation to transfer heat, sending out types of electromagnetic waves that can pass through the atmosphere and into deep space. Sarah Kuta, Smithsonian Magazine, "This Ultra-White Paint May Someday Replace Air Conditioning," 22 Apr. 2021 The first powered test from Spaceport America was scheduled for December but computer trouble caused by electromagnetic interference prevented the spaceship’s rocket from firing properly. Susan Montoya Bryan, orlandosentinel.com, "Virgin Galactic rolls out latest generation of spaceship," 30 Mar. 2021 Traditionally, information is transferred through wireless networks through high-frequency electromagnetic waves and into the shape of bits sequenced discretely — a technique otherwise identified as signal modulation. Gary Fowler, Forbes, "Quantum Tunneling Opens New Paths Of Exploration In Wireless Communications," 17 Mar. 2021 The rover's engineering team is investigating the source of this noise, which could be electromagnetic interference occurring on the rover itself or due to the wheels moving over the surface. Ashley Strickland, CNN, "Hear the Perseverance rover's wheels crunch across the Martian surface," 18 Mar. 2021 The 1859 Carrington Event, for example, saw an unusually large coronal mass ejection from the sun release electromagnetic energy that fried telegraph wires worldwide. Kyle Mizokami, Popular Mechanics, "The Army Is Building the World's Most Powerful Laser Weapon. Ever.," 24 Feb. 2021 Some forms of radiation, which is electromagnetic energy emitted in forms like heat, visible light, X-rays and radio waves, can mess with the cells inside the human body by breaking up the atoms and molecules they’re made of. Alex Fox, Smithsonian Magazine, "Moonwalking Humans Get Blasted With 200 Times the Radiation Experienced on Earth," 29 Sep. 2020

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

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First Known Use of electromagnetic

1820, in the meaning defined above

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Time Traveler for electromagnetic

Time Traveler

The first known use of electromagnetic was in 1820

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Statistics for electromagnetic

Last Updated

7 May 2021

Cite this Entry

“Electromagnetic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electromagnetic. Accessed 11 May. 2021.

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More Definitions for electromagnetic


elec·​tro·​mag·​net·​ic | \ i-ˌlek-trō-mag-ˈne-tik How to pronounce electromagnetic (audio) \

Kids Definition of electromagnetic

: of or relating to a magnetic field produced by an electric current


elec·​tro·​mag·​net·​ic | \ -mag-ˈnet-ik How to pronounce electromagnetic (audio) \

Medical Definition of electromagnetic

: of, relating to, or produced by electromagnetism

Other Words from electromagnetic

electromagnetically \ -​i-​k(ə-​)lē How to pronounce electromagnetic (audio) \ adverb

More from Merriam-Webster on electromagnetic

Nglish: Translation of electromagnetic for Spanish Speakers

Comments on electromagnetic

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