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

Unfavorable report on his petition for aid to enable him to make a voyage to Baffin's Bay to pursue his investigations of the causes of the variation of the magnetic needle.

From The Poems of Philip Freneau, Volume II (of III) by Freneau, Philip

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