ballistics of penetration

ballistics of penetration

[bə′lis·tiks əv pen·ə′trā·shən]
(mechanics)
That part of terminal ballistics which treats of the motion of a projectile as it forces its way into targets of solid or semisolid substances, such as earth, concrete, or steel.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.