angle of orientation
Also found in: Acronyms.
angle of orientation[′aŋ·gəl əv ‚ȯr·ē·ən′tā·shən]
Of a projectile in flight, the angle between the plane determined by the axis of the projectile and the tangent to the trajectory (direction of motion), and the vertical plane including the tangent to the trajectory.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.