Množina: ballistics

ETYM Cf. French balistique. Related to Ballista.
Study of the motion and impact of projectiles such as bullets, bombs, and missiles. For projectiles from a gun, relevant exterior factors include temperature, barometric pressure, and wind strength; and for nuclear missiles these extend to such factors as the speed at which the Earth turns.
1. The science of flight dynamics.
2. The trajectory of an object in free flight; SYN. ballistic trajectory.