geomagnetism

[ jee-oh-mag-ni-tiz-uhm ]

/ ˌdʒi oʊˈmæg nɪˌtɪz əm /

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noun

the earth's magnetic field and associated phenomena.

the branch of geophysics that studies such phenomena.

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Origin of geomagnetism

First recorded in 1935–40; geo- + magnetism

Words nearby geomagnetism

geomagnetic, geomagnetic equator, geomagnetic pole, geomagnetic reversal, geomagnetic storm, geomagnetism, geomancy, geomechanics, geomedicine, geometer, geometric

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for geomagnetism

geomagnetism

/ (ˌdʒiːəʊˈmæɡnɪˌtɪzəm) /

noun

the magnetic field of the earth

the branch of physics concerned with this

Derived forms of geomagnetism

geomagnetic (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

Scientific definitions for geomagnetism

geomagnetism

[ jē′ō-măg′nĭ-tĭz′əm ]

The magnetic properties of the Earth and its atmosphere.

The study of these properties.