pole piece

noun Electricity.

a piece of magnetic material at a pole of a permanent magnet or of an electromagnet, shaped to control the magnetic flux distribution in the vicinity of the pole.

Origin of pole piece

First recorded in 1880–85

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pole piece

Historical Examples of pole piece

Look at that devil Dan,—see how he 's bearing on the pole-piece!
Sir Jasper Carew
Charles James Lever
By this means a slight tendency is given to swing the armature toward the pole-piece m' of the main magnet.
The inventions, researches and writings of Nikola Tesla
Thomas Commerford Martin

British Dictionary definitions for pole piece

pole piece

noun

electrical engineering a piece of ferromagnetic material forming an extension of the magnetic circuit in an electric motor, etc, used to concentrate the magnetic field where it will be most effective

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