electromagnet
noun
elec·tro·mag·net
| \ i-ˌlek-trō-ˈmag-nət
\
\
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
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 Instead of explosives, railguns use powerful electromagnets to fire projectiles as far as 100 nautical miles (115 miles) at seven times the speed of sound. — Eric Baculinao, NBC News, "These Chinese military innovations threaten U.S. superiority, experts say," 17 Feb. 2018 The devices use an electromagnet to excite a phosphor coating, which creates visible light. — Andy Rosen, BostonGlobe.com, "Traditional incandescent bulbs are going away. This company says it has a replacement," 14 Mar. 2018 The power brick also seems to hum when the electromagnets activate, which is not comforting — and surprisingly not an issue unique to this floating product, either. — Jacob Kastrenakes, The Verge, "Levitating gadgets will disappoint you," 12 Apr. 2018 These tiny bots are controlled by precise magnetic fields generated by an array of electromagnets. — NBC News, "These tiny robots could be disease-fighting machines inside the body," 30 Mar. 2018 So the reaction must be contained inside a intense magnetic field generated by electromagnets. — Hiawatha Bray, BostonGlobe.com, "MIT says nuclear fusion as a practical energy source is less than two decades away," 9 Mar. 2018These 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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More Definitions for electromagnet
electromagnet
noun
English Language Learners Definition of electromagnet
: a piece of metal that becomes magnetic when an electric current is passed through or near it
See the full definition for electromagnet in the English Language Learners Dictionary
electromagnet
noun
elec·tro·mag·net
| \ i-ˌlek-trō-ˈmag-nət
\
\
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
\
\
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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