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geomagnetic storm

Origin of geomagnetic storm
1940-45 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for geomagnetic storm
  • If navigators are alerted that a radiation storm or geomagnetic storm is in progress, they can switch to a backup system.
Contemporary definitions for geomagnetic storm

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's 21st Century Lexicon
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