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ballistics

American  
[buh-lis-tiks] / bəˈlɪs tɪks /

noun

(usually used with a singular verb)
  1. the science or study of the motion of projectiles, as bullets, shells, or bombs.

  2. the art or science of designing projectiles for maximum flight performance.


ballistics British  
/ bəˈlɪstɪks /

noun

  1. (functioning as singular) the study of the flight dynamics of projectiles, either through the interaction of the forces of propulsion, the aerodynamics of the projectile, atmospheric resistance, and gravity ( exterior ballistics ), or through these forces along with the means of propulsion, and the design of the propelling weapon and projectile ( interior ballistics )

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ballistics Scientific  
/ bə-lĭstĭks /
  1. The scientific study of the characteristics of projectiles, such as bullets or missiles, and the way they move in flight.


Other Word Forms

Etymology

Origin of ballistics

First recorded in 1745–55; see origin at ballistic, -ics

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

She told investigators she thought the safety was on, and a ballistics expert said the safety did not work.

From Los Angeles Times May 15, 2026

Dr Chris Shepherd, an expert in ballistic wounds who has been running tests in an experimental ballistics facility at the University of Kent, said catapults could be lethal.

From BBC Oct. 7, 2025

We spoke to five ballistics experts, and used software that analyses the sound of shooting on videos, to help establish the trajectory of bullets.

From BBC Sep. 23, 2025

FBI weapons experts shattered Baldwin’s gun’s hammer during 2022 ballistics testing.

From Los Angeles Times Feb. 21, 2024

And, naturally, the crucial topics for the new science corresponded neatly with the professional preoccupations of seventeenth-century mathematicians: astronomy/astrology, navigation, cartography, surveying, architecture, ballistics and hydraulics.

From "The Invention of Science" by David Wootton

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