electrojet

[ ih-lek-truh-jet ]

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

/ 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

Word History and Origins

Origin of electrojet¹

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