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
Such wandering gives rise to variations in the direction of the magnetic needle from year to year.
From Climatic Changes Their Nature and Causes by Huntington, Ellsworth
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 Burns, Elmer Ellsworth
