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electrojet

American  
[ih-lek-truh-jet] / ɪˈlɛk trəˌdʒɛt /

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.

electrojet British  
/ ɪˈlɛktrəʊˌdʒɛt /

noun

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

"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

Etymology

Origin of electrojet

First recorded in 1950–55; electro- + jet 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Among the shocking effects: A current known as the equatorial electrojet, which normally runs west to east in the ionosphere, reversed direction, she said.

From Washington Post • Dec. 12, 2022

Space Weather Creates Electrical 'Bermuda Triangles': Even a mild shock wave in the solar wind can suddenly amp up the equatorial electrojet and create localized magnetic storms. 

From Scientific American • Aug. 22, 2015

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.