magnetite

noun

mag·​ne·​tite ˈmag-nə-ˌtīt 

: a black isometric mineral of the spinel group that is an oxide of iron and an important iron ore

Examples of magnetite in a Sentence

Recent Examples on the Web

Another theory suggests that animals have bits of magnetic material in their bodies, such as the mineral magnetite. —Benji Jones, Vox, 1 Apr. 2025

Her natural hair had been dyed with henna and juniper, while the long wig had been treated with quartz, magnetite, and albite crystals to stiffen the braids and blacken the color. —Jennifer Ouellette, Ars Technica, 1 Aug. 2024

The wig she was buried in was made from date palm fibers treated with quartz, magnetite and albite crystals. —New Atlas, 2 Aug. 2024

Alteration associated with porphyry intrusions is often magnetic (from magnetite) and potassic (from sericite/biotite/K-feldspar). —Sacramento Bee, 2 July 2024

Word History

First Known Use

1851, in the meaning defined above

Rhymes for magnetite

• acolyte
• aconite
• allanite
• alunite
• amberlite
• ammonite
• amorite
• amphitrite
• analyte
• anchorite
• andesite
• anhydrite

Kids Definition

magnetite

noun

mag·​ne·​tite ˈmag-nə-ˌtīt 

: a black mineral that is an oxide of iron, is strongly attracted by a magnet, and is an important iron ore