ferromagnetic

adjective

fer·​ro·​mag·​net·​ic ˌfer-ō-mag-ˈne-tik 

: of or relating to substances with an abnormally high magnetic permeability, a definite saturation point, and appreciable residual magnetism and hysteresis

ferromagnet

ˈfer-ə-ˌmag-nət 

noun

ferromagnetism

ˌfer-ō-ˈmag-nə-ˌti-zəm 

noun

Examples of ferromagnetic in a Sentence

Recent Examples on the Web

Launched in 1956, the Milgauss was the first watch to resist magnetic fields up to 1,000 gauss, thanks to its innovative ferromagnetic shield inside the case. —Renan Botelho, Footwear News, 3 Apr. 2025

The first step needed for manufacturing elastic domes was to use disks made with a ferromagnetic elastomer, a blend of standard flexible elastomeric material and magnetic particles. —Ars Technica, 27 Dec. 2024

Hard disk drives, which store data in the form of the magnetic orientation of different patches, or domains, on a ferromagnetic disk, have better endurance. —Pedram Khalili, IEEE Spectrum, 26 June 2015

The shape bears a striking resemblance to the B-H curve describing magnetization of ferromagnetic materials. —Aaron Shattuck, Scientific American, 17 Sep. 2024

Word History

First Known Use

1896, in the meaning defined above

Rhymes for ferromagnetic

• aeromagnetic
• antiemetic
• antipathetic
• apologetic
• biogenetic
• biomimetic
• biosynthetic
• cytogenetic
• diagenetic
• diamagnetic
• diaphoretic
• epigenetic

Kids Definition

ferromagnetic

adjective

fer·​ro·​mag·​net·​ic ˌfer-ō-mag-ˈnet-ik 

: of or relating to substances (as iron and nickel) that are easily magnetized