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

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

He said: "Nothing must deflect the magnetic needle."

From Time Magazine Archive

In this manner the magnetic needle, again, reveals to man the existence and presence of forces that he cannot sense directly.

From Joseph Smith as Scientist A Contribution to Mormon Philosophy by Widtsoe, John Andreas

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