magnetic needle
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Finding the magnetoreceptors responsible for triggering these neurons has been like looking for a magnetic needle in a haystack.
From Science Magazine ● Jun. 23, 2016
He said: "Nothing must deflect the magnetic needle."
From Time Magazine Archive
Last week Bendix Aviation Corp. announced a new automatic compass that makes the old magnetic needle* look as obsolete as a warrior's spear.
From Time Magazine Archive
It has no effect even upon the electrometer or the magnetic needle; its force is radiating, quite independent of light, but considerably increased by heat.
From Modern Magic by Maximilian Schele de Vere
An electrical machine or a battery of Leyden jars can be made to give out an electric current, and this current will affect a magnetic needle in the same way that a battery current will.
From The Story of Great Inventions by Elmer Ellsworth Burns
