Glossary · term

Permeability

Electromagnetism

Domain
Electromagnetism

Definition

The magnetic counterpart of permittivity: how readily a material carries a magnetic field. Iron's is thousands of times the vacuum's, which is why motors have iron in them.

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From the Glossary database in Notion, last edited 2026-08-17. This page is the row, rendered by the build; nothing on it is written by hand.