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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.

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

Imagine a simple bar magnet, which generates a magnetic field similar in shape to the one that surrounds Earth.

From New York Times • Jun. 7, 2023

Have you ever seen a small bar magnet placed within the field of attraction of a large electromagnet?

From Astounding Stories of Super-Science February 1930 by Bates, Harry

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