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electrojet

[ih-lek-truh-jet]
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noun Geophysics.
  1. a current of ions existing in the upper atmosphere, moving with respect to the surface of the earth, and causing various auroral phenomena.
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Origin of electrojet

First recorded in 1950–55; electro- + jet1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for electrojet

electrojet

noun
  1. a narrow belt of fast-moving ions in the ionosphere, under the influence of the earth's magnetic field, causing auroral displays
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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