magnetic flux

noun

: a measure of magnetic induction represented by lines of force

Examples of magnetic flux in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This produces a shift in the magnetic flux of the tip. New Atlas, 12 Aug. 2025 The magnetic flux produces an electrical current in a conductive coil built into the barrel of the pen. Greg Uyeno, IEEE Spectrum, 2 June 2025 Sunspots are relatively cooler areas on the sun's surface caused by deep concentrations of magnetic flux. Alexis Simmerman, Austin American-Statesman, 19 Feb. 2024 These magnetic pairs mostly—but not entirely—dissipate as the sunspots decay away, leaving a little leftover magnetic flux of one charge or the other. Meghan Bartels, Scientific American, 20 Oct. 2023

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of magnetic flux was in 1896

Cite this Entry

“Magnetic flux.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetic%20flux. Accessed 9 Sep. 2025.

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