an imaginary line on the earth’s surface, the plane of which passes through the center and is midway between the geomagnetic poles.
- Geomagnetic pole
geomagnetic pole (jē’ō-nět’ĭk) One of two regions of the Earth with very high magnetic field strength, taken to be the points at which a line, drawn between the poles of an idealized magnetic dipole generating the Earth’s magnetic field and extending out in both directions, would cross the earth’s surface. The north pole of a […]
- Geomagnetic reversal
geomagnetic reversal See magnetic reversal.
noun 1. . noun a worldwide disturbance of the earth’s magnetic field induced by solar flares, solar wind, or sunspot activity; also called [magnetic storm] Word Origin 1836-41
[jee-oh-mag-ni-tiz-uh m] /ˌdʒi oʊˈmæg nɪˌtɪz əm/ noun 1. the earth’s magnetic field and associated phenomena. 2. the branch of geophysics that studies such phenomena. /ˌdʒiːəʊˈmæɡnɪˌtɪzəm/ noun 1. the magnetic field of the earth 2. the branch of physics concerned with this geomagnetism (jē’ō-māg’nĭ-tĭz’əm)