permanent magnet

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noun

a magnet that retains its magnetism after being removed from an external magnetic field.

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Origin of permanent magnet

First recorded in 1820–30

OTHER WORDS FROM permanent magnet

permanent magnetism, noun

Words nearby permanent magnet

Permanent Court of Arbitration, permanent dentition, permanent echo, permanent hardness, permanent health insurance, permanent magnet, permanent mold, permanent press, permanent resident, permanent set, permanent tooth

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use permanent magnet in a sentence

Demand for these minerals—rare earths for catalysts and powerful permanent magnets, lithium for batteries, and aluminum for packaging, among others—is expected to keep growing quickly.
What are critical minerals?|Mary Hui|September 13, 2021|Quartz
One high-stakes arena that could shape the trajectory of the global climate economy is the rare earth permanent magnet industry.
Why rare earth permanent magnets are vital to the global climate economy|Mary Hui|May 14, 2021|Quartz
In other words, fluoride is a broad-spectrum, bipartisan, long-lasting magnet for dissent.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
The offices were firebombed in 2011; no one was hurt but a permanent police car was subsequently stationed outside.
France Mourns—and Hunts|Nico Hines, Christopher Dickey|January 8, 2015|DAILY BEAST

Plus, while sometimes IPs can be “permanent”, at other times IPs last just a few seconds.
No, North Korea Didn’t Hack Sony|Marc Rogers|December 24, 2014|DAILY BEAST
After the last magnet was retrieved, she assumed slave posture and waited for Couple to unclasp the clamps.
Dungeons and Genital Clamps: Inside a Legendary BDSM Chateau|Ian Frisch|December 20, 2014|DAILY BEAST
Couple guided Stella as she crawled and dipped her chest to pick up each magnet.
Dungeons and Genital Clamps: Inside a Legendary BDSM Chateau|Ian Frisch|December 20, 2014|DAILY BEAST
Let them open their minds to us, let them put upon permanent record the significance of all their intrigues and manœuvres.
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
Will this position be permanent or will its duration be limited practically to the period of the war?
Readings in Money and Banking|Chester Arthur Phillips
There is a sharp curve in the permanent way outside the station, so that a train is on you all of a sudden.
Uncanny Tales|Various
Loss, where she was concerned, involved a permanent and irremediable bereavement—no substitute was conceivable.
The Wave|Algernon Blackwood
Our troops have done all that flesh and blood can do against semi-permanent works, and they are not able to carry them.
Gallipoli Diary, Volume I|Ian Hamilton

British Dictionary definitions for permanent magnet

permanent magnet

noun

a magnet, often of steel, that retains its magnetization after the magnetic field producing it has been removed

Derived forms of permanent magnet

permanent magnetism, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for permanent magnet

permanent magnet

[ pûr′mə-nənt ]

A piece of ferromagnetic material that retains its magnetism after it has been magnetized.