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View synonyms for magnetic needle
magnetic needle
noun
- a slender magnetized steel rod that, when adjusted to swing in a horizontal plane, as in a compass, indicates the direction of the earth's magnetic fields or the approximate position of north and south.
magnetic needle
noun
- a slender magnetized rod used in certain instruments, such as the magnetic compass, for indicating the direction of a magnetic field
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Word History and Origins
Origin of magnetic needle1
First recorded in 1840–50
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Example Sentences
Seeing how the master-mariner honours the magnetic needle, every thoughtful passenger will probably consult it in like manner.
From Project Gutenberg
Under these conditions it is obvious that the magnetic needle is quite useless for steering purposes.
From Project Gutenberg
The former is called the variation, and the latter the dipping of the magnetic needle.
From Project Gutenberg
In the present instance the line of force appears to coincide with the direction of the magnetic needle.
From Project Gutenberg
This deflection of the magnetic needle is due to the fact that surrounding every electric current are magnetic lines of force.
From Project Gutenberg
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