permanent magnet
noun
a magnet that retains its magnetism after being removed from an external magnetic field.
permanent magnetism
-
a word derived from
permanent magnet.
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.
Figure 22.13 An electromagnet induces regions of permanent magnetism on a floppy disk coated with a ferromagnetic material.
From Textbooks ● Aug. 12, 2015
As long as the current continued to flow in its circular course, so long would there be those conditions which would give rise to permanent magnetism.
From Aether and Gravitation by William George Hooper
These magnets annul the error on the north and south and on the east and west courses, due to the two horizontal components of magnetic force produced mainly by the permanent magnetism of the ship.
From Lord Kelvin An account of his scientific life and work by Andrew Gray
The Bell telephone may be used both as a transmitter and a receiver, and the permanent magnetism of the cores renders it independent of an electric battery.
From How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use by Archibald Williams
This makes obvious the importance of a proper permanent magnetism and displays the fallacy of some effort to increase the output of various devices depending upon these principles.
From Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. by Kempster Miller
