fer·​ro·​mag·​net·​ic ˌfer-ō-mag-ˈne-tik How to pronounce ferromagnetic (audio)
: of or relating to substances with an abnormally high magnetic permeability, a definite saturation point, and appreciable residual magnetism and hysteresis
ferromagnet noun
ferromagnetism noun

Examples of ferromagnetic in a Sentence

Recent Examples on the Web The International Center for Quantum Materials in China found evidence that the material is ferromagnetic. Justine Calma, The Verge, 10 Aug. 2023 Researchers evaluated the moiré material for ferromagnetic behavior at a frosty 140 millikelvins. Michael Greshko, Quanta Magazine, 10 Jan. 2024 Any permanent magnet must have a ferromagnetic element, such as iron or cobalt. IEEE Spectrum, 15 Nov. 2023 What that spacing does is provide a stable ferromagnetic structure in the crystal, which in turn promotes an inherent characteristic of the crystal called magnetic anisotropy. IEEE Spectrum, 15 Nov. 2023 The body housed an onboard accelerometer to measure impact deceleration as well as a ferromagnetic ball so that the impactor could be dropped from varying heights via an electromagnet. Jennifer Ouellette, Ars Technica, 6 Nov. 2023 But luckily, the indentation process also gave the device a ferromagnetic property. IEEE Spectrum, 5 Sep. 2023 Because the photons are emitted so close to the ferromagnetic material, that magnetism is enough to induce photon polarization. IEEE Spectrum, 5 Sep. 2023 When the iron is cold, a movable permanent magnet in the switch is drawn to the ferromagnetic tip, closing the switch and sending power to the heating element. IEEE Spectrum, 27 Oct. 2017 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ferromagnetic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of ferromagnetic was in 1896

Dictionary Entries Near ferromagnetic

Cite this Entry

“Ferromagnetic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ferromagnetic. Accessed 21 Feb. 2024.

Kids Definition


fer·​ro·​mag·​net·​ic ˌfer-ō-mag-ˈnet-ik How to pronounce ferromagnetic (audio)
: of or relating to substances (as iron and nickel) that are easily magnetized
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