magnetic needle Definition
magnetic needle
noun
a slender bar of magnetized steel which, when mounted so as to swing freely on a pivot, will point along the line of the magnetic meridian toward the magnetic poles, approximately north and south: it is the essential part of a magnetic compass
magnetic needle Usage Examples
Converse of object
contain: One of the most important parts to check is the floating dial, which contains the magnetic needle.
Browse dictionary entries near magnetic needle

