Plural of ferrite; multiple ceramic magnetic materials used in electronic and electromagnetic applications.
Plural form of 'ferrite' (noun), derived from 'ferr-' (iron) plus '-ite' (mineral suffix). Emerged in scientific literature in the 1930s-1940s.
Ferrites are everywhere in technology—in speaker magnets, antenna cores, and transformers—yet most people have never heard of them! They're perfect for high-frequency electronics because they don't lose energy as easily as metal magnets do at those speeds.
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