magnetic needle

/mægˈnɛdɪk ˌnidl/
IPA guide

Other forms: magnetic needles

Definitions of magnetic needle
  1. noun
    a slender magnet suspended in a magnetic compass on a mounting with little friction; used to indicate the direction of the earth's magnetic pole
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    type of:
    magnet
    (physics) a device that attracts iron and produces a magnetic field
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