magnetism
Pronunciation: /ˈmagnɪtɪz(ə)m/
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Definition of magnetism
noun
All magnetism is due to circulating electric currents. In magnetic materials the magnetism is produced by electrons orbiting within the atoms; in most substances the magnetic effects of different electrons cancel each other out, but in some, such as iron, a net magnetic field can be induced by aligning the atoms
Origin:
early 17th century: from modern Latin magnetismus, from Latin magneta (see magnet)