plane-wave initiation

plane-wave initiation

[′plān ‚wāv i‚nish·ē′ā·shən]
(ordnance)
Simultaneous initiation at all points of the rear surface of the main explosive charge by a flat detonation wave, usually accomplished by a composite explosive charge of proper dimensions.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.