permanent magnet

noun
Updated on: 12 Nov 2017

Definition of permanent magnet

: a magnet that retains its magnetism after removal of the magnetizing force

Recent Examples of permanent magnet from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'permanent magnet.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of permanent magnet

1882


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