pole piece


nounElectricity.
  1. 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

1
First recorded in 1880–85

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British Dictionary definitions for pole piece

pole piece

noun
  1. 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

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