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
The magnetic needle then makes known the presence of a current of electricity which has no appreciable effect upon any of man's five senses.
From Joseph Smith as Scientist A Contribution to Mormon Philosophy by Widtsoe, John Andreas
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
