Compound in computer memory cores

• Magnet material
• A solid solution in which alpha iron is the solvent
• Pure iron

Wikipedia Word definitions in Wikipedia
Ferrite , also known as α-ferrite ( α-Fe ) or alpha iron , is a solid solution of limited amounts of carbon in iron with a body-centered cubic (B.C.C) crystal structure . It is this crystalline structure which gives steel and cast iron their magnetic properties, ...

WordNet Word definitions in WordNet
n. a solid solution in which alpha iron is the solvent

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"compound of ferric oxide and another metallic oxide," 1851, from Latin ferrum "iron" (see ferro- ) + -ite (2).

Wiktionary Word definitions in Wiktionary
n. The interstitial solid solution of carbon in body-centered cubic iron.