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
Galvanometer, a coil of wire around a magnetic needle for measuring the strength of an electric current—Schweigger, Germany, 1820.
From The Story of Great Inventions by Burns, Elmer Ellsworth
As we have already mentioned, the variations of the magnetic needle have a period of the same length, its greatest variations occurring when there are most sun-spots.
From Meteorology or Weather Explained by M'Pherson, J. G.
