(n) identification of the gun that fired a bullet from an analysis of the unique marks that every gun makes on the bullet it fires and on the shell ejected from it, Syn.ballistic fingerprinting, bullet fingerprinting
(n) a physical pendulum consisting of a large mass suspended from a rod; when it is struck by a projectile its displacement is used to measure the projectile's velocity
a. 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 +PJC ]
3. frenzied; very angry; -- used mostly in the phrase go ballistic. [ Colloq. ] [ PJC ]
Ballistic pendulum, an instrument consisting of a mass of wood or other material suspended as a pendulum, for measuring the force and velocity of projectiles by means of the arc through which their impact impels it. [ 1913 Webster ]
n. A rocket-propelled missile of long range which is guided only during the powered portion of its flight, which usually takes only a small part of the total flight time; -- contrasted with guided missile. Ballistic missiles are sometimes referred to by their range, such as an intercontinental ballistic missile (ICBM) or an intermediate range ballistic missile (IRBM). [ PJC ]
n. [ Cf. F. balistique. See Ballista. ] The science or art of hurling missile weapons by the use of an engine. Whewell. [ 1913 Webster ]
2. The science treating the motion of projectiles in flight, especially when they are in free fall within the earth's gravitational field. [ PJC ]
3. The study of the characteristics of a cartridge fired from a firearm, and of the processes occurring during the discharge of a firearm. [ PJC ]
4. The division within a police department which studies the characteristics of cartridges fired from a firearm; the ballistics department. The characteristics of the weapons and bullets fired may be used as evidence in criminal investigations. [ PJC ]
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
