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bar magnet

American  

noun

  1. a bar-shaped, usually permanent, magnet.


Etymology

Origin of bar magnet

First recorded in 1820–30

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In magnetic materials, each atom behaves like a tiny bar magnet because of a property called atomic spin.

From Science Daily Jan. 12, 2026

To magnetize an iron nail, one simply has to stroke its surface several times with a bar magnet.

From Science Daily Dec. 7, 2023

A popular alternative to the superconducting qubit is the trapped-ion qubit: a charged atom or molecule that behaves like a tiny bar magnet.

From Scientific American Sep. 28, 2023

During the sun’s quiet periods — solar activity varies on an 11-year cycle, from comparatively calm to hyperactive — the sun’s magnetic field possesses this bar magnet configuration.

From New York Times Jun. 7, 2023

The horse shoe magnet will attract more than the bar magnet because both poles act together.

From Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications by Hawkins, Nehemiah

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