• synonyms


[jee-oh-mag-ni-tiz-uh m]
See more synonyms for geomagnetism on Thesaurus.com
  1. the earth's magnetic field and associated phenomena.
  2. the branch of geophysics that studies such phenomena.
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Origin of geomagnetism

First recorded in 1935–40; geo- + magnetism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for geomagnetism


  1. the magnetic field of the earth
  2. the branch of physics concerned with this
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Derived Formsgeomagnetic (ˌdʒiːəʊmæɡˈnɛtɪk), adjective
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

geomagnetism in Science


  1. The magnetic properties of the Earth and its atmosphere.
  2. The study of these properties.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.