1.NounThe interstitial solid solution of carbon in body-centered cubic iron.
"ferrite transition zone"
2.NounAny of a class of metal oxides which show ferrimagnetism; used in transformers, inductors, antennas, recording heads, microwave devices, motors and loudspeakers.
"ferrite magnets"
3.NounThe anion FeO2, and any of the salts (formally derived from the unknown ferrous acid) derived from it.