magnetic field


Definition of magnetic field

: the portion of space near a magnetic body or a current-carrying body in which the magnetic forces due to the body or current can be detected

Examples of magnetic field in a Sentence

Recent Examples on the Web

If Uranus and Neptune have a substantial quality of this form of ice buried somewhere under the surface, that could affect their magnetic fields. Avery Thompson, Popular Mechanics, "Scientists Blasted a Bunch of Super Lasers to Make This Exotic Space Ice," 9 May 2019 For their latest work, Love’s team obtained records of magnetic storms detected at observatories, then combined them with new surveys that measured the local magnetic field and its related electrical field. National Geographic, "Solar storms can be even worse if you live near certain rocks," 18 Mar. 2019 Just like a strong wind can create waves in a body of water, fluctuating electric and magnetic fields can cause chorus waves in the plasma near objects like Earth. Chelsea Gohd,, "Jupiter's Largest Moon Ganymede Produces Powerful Plasma Waves," 8 Aug. 2018 The much-lauded, ongoing IllustrisTNG simulation series by Springel and collaborators now includes magnetic fields on a large scale for the first time. Natalie Wolchover, WIRED, "The Universe Is Not a Simulation, but We Can Now Simulate It," 16 June 2018 One piece of equipment that the rocket will carry is the Cold Atom Laboratory, which will use magnetic fields and lasers to create clouds of atoms called Bose-Einstein condensates (BECs), cooled to just above absolute zero. Andrew Liptak, The Verge, "Orbital ATK will launch an Antares rocket to the International Space Station tomorrow morning," 20 May 2018 So scientists analyzed data from satellite footage of STEVE events between April 2008 and May 2016 to measure electric and magnetic fields in the magnetosphere. David Grossman, Popular Mechanics, "The Science Behind Earth's Strangest Light Phenomena," 29 Apr. 2019 BepiColombo is Europe's first mission to the planet, and it is intended as a follow-on to NASA's Messenger spacecraft that spent a period from 2011 to 2015 at Mercury and studied its chemistry, geology, and magnetic field. Eric Berger, Ars Technica, "Two orbiters begin their long journey to Mercury Friday night," 19 Oct. 2018 And those ions were flowing from east to west at nearly 6 kilometers per second, propelled by electric and magnetic fields in the atmosphere, the team reports today in Science Advances. Katherine Kornei, Science | AAAS, "There’s a new aurora in subpolar skies. Its name is Steve," 14 Mar. 2018

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

1845, in the meaning defined above

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Statistics for magnetic field

Last Updated

16 Jun 2019

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Time Traveler for magnetic field

The first known use of magnetic field was in 1845

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More Definitions for magnetic field

magnetic field


Kids Definition of magnetic field

: the portion of space near a magnetic object within which magnetic forces can be detected

magnetic field


Medical Definition of magnetic field

: the portion of space near a magnetic body or a current-carrying body in which the magnetic forces due to the body or current can be detected the magnetic field of the heart

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More from Merriam-Webster on magnetic field

Spanish Central: Translation of magnetic field

Nglish: Translation of magnetic field for Spanish Speakers Encyclopedia article about magnetic field

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