| 释义 | 
		pole piece noun Etymology: pole (I) + piece 1.  : a stout harness strap connecting a horse's collar with the pole of a wagon 2.  : the ridgepole of a roof 3. [pole (IV) + piece]  : a piece of soft iron at a pole of an electromagnet usually shaped to concentrate or direct the external flux in some desired path — see magneto illustration |