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
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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 The rotor – with its magnetic flux lines pointing outward from the axle – spins inside the housing at high RPM. New Atlas, 26 Apr. 2025 Compared to far more common radial flux motors, axial flux motors essentially flip the magnetic field on its side, operating via magnetic flux that runs in parallel to the motor axis. New Atlas, 27 Feb. 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 Chris Philpot The key is that, due to a phenomenon called magnetic flux quantization in the superconducting loop, this pulse is always exactly the same. Anna Herr, IEEE Spectrum, 15 May 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 Scientific instrument maker Bruker’s newest spectrometers sandwich an inner coil of HTS between an outer coil of low-temperature superconductors, achieving magnetic flux densities of 28.2 T—nearly 600,000 times as strong as Earth’s magnetic field. IEEE Spectrum, 18 Sep. 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 21 Aug. 2025.

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