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.

Nearby words

  1. magnetic meridian,
  2. magnetic mine,
  3. magnetic mirror,
  4. magnetic moment,
  5. magnetic monopole,
  6. magnetic north,
  7. magnetic particle inspection,
  8. magnetic permeability,
  9. magnetic pick-up,
  10. magnetic pickup

Origin of magnetic needle

First recorded in 1840–50

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for magnetic needle

magnetic needle

noun

a slender magnetized rod used in certain instruments, such as the magnetic compass, for indicating the direction of a magnetic field
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012