geomagnetism

[ jee-oh-mag-ni-tiz-uh m ]
/ ˌdʒi oʊˈmæg nɪˌtɪz əm /

noun

the earth's magnetic field and associated phenomena.
the branch of geophysics that studies such phenomena.

Origin of geomagnetism

First recorded in 1935–40; geo- + magnetism

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

Scientific definitions for geomagnetism

geomagnetism
[ jē′ō-măgnĭ-tĭz′əm ]

The magnetic properties of the Earth and its atmosphere.
The study of these properties.