bar magnet

noun

Origin of bar magnet

First recorded in 1820–30

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Each muon behaves like a tiny bar magnet when exposed to a magnetic field, an effect called the magnetic moment.
Scientists Found Hints of New Particles or Forces of Nature, and It Could Change Physics | Themis Bowcock | April 9, 2021 | Singularity Hub
If the latter is in the form of a helix its magnetic field resembles that of a straight bar magnet.
Physics | Willis Eugene Tower
To illustrate Lenz's Law, suppose that the north-seeking pole of a bar magnet be inserted in a closed coil of wire.
Physics | Willis Eugene Tower
A cylindrical magnet, which is substantially the same as a horseshoe, might be substituted with advantage for the bar magnet.
Scientific American, Vol. XXXIX.No. 6. [New Series.], August 10, 1878 | Various
The general facts of magnetism are most simply illustrated by a magnetized bar of steel, commonly called a bar magnet.
Six Lectures on Light | John Tyndall

Placing a small magnetic needle near a bar magnet, it takes a determinate position.
Six Lectures on Light | John Tyndall

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