electrojet: Meaning and Definition of

e•lec•tro•jet

Pronunciation: (i-lek'tru-jet"), [key]
— n. 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.