bar magnet
Americannoun
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
If the interior is electrically conducting, a thick layer of convecting material will generate a dipole magnetic field similar to that of a bar magnet.
From Science Daily ● Nov. 25, 2024
Because Earth’s magnetic field is dipolar like a bar magnet and aligned roughly perpendicular to our world’s rotation, geomagnetic field lines extend most prominently from the vicinity of our planet’s North and South poles.
From Scientific American ● Oct. 13, 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
To avoid this, a small bar magnet, shown in the Fig.
From How Two Boys Made Their Own Electrical Apparatus Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity by Thomas M. (Thomas Matthew) St. John
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.