ballistic(a = adj.pert) Array - relating to or characteristic of the motion of objects moving under their own momentum and the force of gravity; "ballistic missile"
Derived forms noun ballistics₂, noun ballistics₁

1.  Of or pertaining to the ballista, or to the art of hurling stones or missile weapons by means of an engine. [1913 Webster]

2.  Pertaining to ballistics{2}, or to a projectile in a gravitational field. [1913 Webster]

3.  frenzied; very angry; -- used mostly in the phrase go ballistic. [PJC]

ballistic, adj.
1 of or relating to projectiles.
2 moving under the force of gravity only.

Idiom:
ballistic missile a missile which is initially powered and guided but falls under gravity on its target.

Derivative:
ballistically adv.

Etymology:
BALLISTA + -IC

ballistic capsule, ballistic fingerprinting, ballistic galvanometer, ballistic identification, ballistic missile, ballistic missile defense organization, ballistic pendulum, ballistic trajectory, fleet ballistic missile submarine, go ballistic, intercontinental ballistic missile