Definitions for magnetic needle
This page provides all possible meanings and translations of the word magnetic needle
a slender magnet suspended in a magnetic compass on a mounting with little friction; used to indicate the direction of the earth's magnetic pole
The Standard Electrical Dictionary
A magnet with a cup or small depression at its centre and poised upon a sharp pin so as to be free to rotate or oscillate in a horizontal plane. The cup is often made of agate. Left free to take any position, it places its magnetic axis in the magnetic meridian.
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"magnetic needle." Definitions.net. STANDS4 LLC, 2015. Web. 4 Mar. 2015. <http://www.definitions.net/definition/magnetic needle>.