What do a.m. and p.m. stand for?

field magnet

a magnet for producing a magnetic field, as in a particle accelerator or an electric motor.
Origin of field magnet
1880-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for field magnet
  • In the series motor, the armature and the field magnet are connected electrically in series.
  • Current flows through the field magnet to the armature, increasing the strength of the magnets.
  • For a core set of instruments, a steady state, high-field magnet is needed.
British Dictionary definitions for field magnet

field magnet

a permanent magnet or an electromagnet that produces the magnetic field in a generator, electric motor, or similar device
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
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field magnet in Science
field magnet  
A permanent magnet used to produce a base magnetic field against which other magnetized materials react, as in the operation of electrical devices such as motors, generators, and solenoids.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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