ferrite

(ferīt′)

noun

  1. one of the forms of pure metallic iron, having high magnetic permeability and occurring as a constituent of ordinary iron and steel
  2. any of various ceramic, magnetic materials with poor electrical conductivity, containing ferric oxide and another metallic oxide: used in recording tape and computer memories
  3. Geol. a grain, scale, or bit of red, brown, or yellow iron oxide in a rock

Origin: < L ferrum, iron + -ite

See ferrite in American Heritage Dictionary 4

noun
  1. Any of a group of nonmetallic, ceramiclike, usually ferromagnetic compounds of ferric oxide with other oxides, especially such a compound characterized by extremely high electrical resistivity and used in computer memory elements, permanent magnets, and various solid-state devices. Also called ferrate.
  2. Iron that has not combined with carbon, occurring commonly in steel, cast iron, and pig iron below 910°C.

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