angle of departure
Also found in: Acronyms.
angle of departure[′aŋ·gəl əv di′pär·chər]
The vertical angle, at the origin, between the line of site and the line of departure.
The maximum angle of an incline from which a vehicle can move onto a horizontal plane without interference, such as from rear bumpers.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.