electromagnet

noun
elec·​tro·​mag·​net | \ i-ˌlek-trō-ˈmag-nət How to pronounce electromagnet (audio) \

Definition of electromagnet

: a core of magnetic material (such as iron) surrounded by a coil of wire through which an electric current is passed to magnetize the core

Examples of electromagnet in a Sentence

Recent Examples on the Web Using a powerful electromagnet, the instrument is designed to deflect electrically charged high-energy cosmic rays into an array of sensitive detectors. William Harwood, CBS News, "Spacewalkers fix unexpected leak during final work to repair $2 billion cosmic ray detector," 25 Jan. 2020 When one of the magnets (either the electromagnet or the permanent magnet) is attached to a thin membrane the rapidly changing magnetic field makes the membrane vibrate. Ben Finio, Scientific American, "Build Your Own Speaker," 5 Dec. 2019 In his motor, Tesla got exactly the right sequence by switching the current on and off in the individual electromagnets in the stator, thus creating a rotating magnetic field. National Geographic, "Edison and Tesla's cutthroat 'Current War' ushered in the electric age," 27 Sep. 2019 Particle accelerators rely on electromagnets to create electric fields. David Grossman, Popular Mechanics, "Scientists Are Trying To Shrink Particle Accelerators," 21 Oct. 2019 Made from a solid piece of steel, this element is different mice because the wheel is controlled by electromagnets installed inside. Gieson Cacho, The Mercury News, "Review: Logitech Master Series offers high-tech update to classic combo," 19 Sep. 2019 Her shelves hold a Ghostbustery electromagnet-field reader, a perfectly round stone supposedly containing the spirit of an ancient sprite and a pair of wooden sculptures, one of Bigfoot, one of an upright canine. Christopher Borrelli, chicagotribune.com, "Do you have a werewolf problem? Upright alligator? Cryptozoologist Linda Godfrey probably believes you," 24 July 2019 The satellite part that met its fiery maker was a 4-by-10 centimeter section of magnetotorquer, a reliable electromagnet inside satellites. David Grossman, Popular Mechanics, "Hey, Want to Watch This Satellite Melt?," 21 June 2019 Each of its qubits is a superconducting electric loop that acts as a tiny electromagnet oriented up, down, or up and down — a superposition. Quanta Magazine, "Job One for Quantum Computers: Boost Artificial Intelligence," 29 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'electromagnet.' 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 electromagnet

1821, in the meaning defined above

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Time Traveler for electromagnet

Time Traveler

The first known use of electromagnet was in 1821

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Statistics for electromagnet

Last Updated

28 Jan 2020

Cite this Entry

“Electromagnet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electromagnet. Accessed 18 Feb. 2020.

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More Definitions for electromagnet

electromagnet

noun
How to pronounce electromagnet (audio)

English Language Learners Definition of electromagnet

: a piece of metal that becomes magnetic when an electric current is passed through or near it

electromagnet

noun
elec·​tro·​mag·​net | \ i-ˌlek-trō-ˈmag-nət How to pronounce electromagnet (audio) \

Kids Definition of electromagnet

: a piece of iron encircled by a coil of wire through which an electric current is passed to magnetize the iron

electromagnet

noun
elec·​tro·​mag·​net | \ i-ˌlek-trō-ˈmag-nət How to pronounce electromagnet (audio) \

Medical Definition of electromagnet

: a core of magnetic material surrounded by a coil of wire through which an electric current is passed to magnetize the core

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More from Merriam-Webster on electromagnet

Spanish Central: Translation of electromagnet

Nglish: Translation of electromagnet for Spanish Speakers

Britannica.com: Encyclopedia article about electromagnet

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