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 its simple and original form the movable needle galvanometer consisted of a horizontal magnetic needle suspended within a coil of insulated wire by silk fibres or pivoted on a point like a compass needle.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" by Various
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 J. G. M'Pherson
