ionization arc-over

ionization arc-over

[‚ī·ə·nə′zā·shən ′är‚kō·vər]
(electricity)
Arcing across terminals or contacts due to ionization of the adjacent air or gas.
Arcing across satellite antenna terminals as the satellite passes through the ionized regions of the ionosphere.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.