In ballistics, what is the term for the upward curve in a bullet's path before it falls?

The term for the upward curve in a bullet's path before it falls is known as the ballistic arc. This concept is rooted in the principles of projectile motion, where a bullet, after being fired, follows a curved path due to the effects of gravity and the initial velocity imparted by the firearm.

Understanding the ballistic arc is critical for precision shooting, as it describes how a bullet's elevation increases initially until it reaches the highest point or apex of its trajectory, followed by a descent as gravity takes over. The shape of this arc is affected by various factors including the bullet's velocity, the angle of the shot, and environmental conditions.

The other terms do not accurately capture the defined concept of this path. While "trajectory peak" could refer to the highest point, it doesn’t encompass the entire path. "Vertical rise" suggests only an upward movement without considering the complete trajectory. "Projectile ascent" similarly emphasizes only the upward motion without including the downward path that follows. Therefore, ballistic arc is the most accurate term to describe the entire curved path of a bullet in relation to its flight before falling.