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
A magnetic needle consists of a small bar magnet, supported upon a pivot or suspended so that it is free to turn in a horizontal or vertical plane.
From Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications by Hawkins, Nehemiah
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 Vere, Maximilian Schele de
