Meaning of unit magnetic pole

u'nit magnet'ic pole'

Pronunciation: [key]
— Physics. Physics.
  1. the unit of magnetic pole strength equal to the strength of a magnetic pole that repels a similar pole with a force of one dyne, the two poles being placed in a vacuum and separated by a distance of one centimeter.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.