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

This changes the alignment of the two ferromagnetic layers, which alters how easily electrons can tunnel through the insulating barrier (a quantum phenomenon known as tunnel magnetoresistance) and changes the sensor’s electrical resistance. — ArsTechnica, 5 Oct. 2026

The team reports that as nearly an order-of-magnitude improvement over previous comparable ferromagnetic Hall sensors. — Christopher McFadden, Interesting Engineering, 15 Aug. 2026

Induction cookware is made from a class of metals known as ferromagnetic metals. — Tom Hawking, Popular Science, 20 Nov. 2025

Most of these toys are made of silicone, a plastic that should be unproblematic in the magnet, but to the surprise of those present, especially the woman being examined, this one did contain ferromagnetic material. — Michaela Maya-Mrschtik, Scientific American, 6 Aug. 2025

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