noun (used with a singular verb)

  1. the branch of mechanics that deals with the motion of air and other gases and with the effects of such motion on bodies in the medium.Compare aerostatics(def 1).


  1. (functioning as singular) the study of the dynamics of gases, esp of the forces acting on a body passing through airCompare aerostatics (def. 1)

1837, from aero- “air” + dynamics.

  1. The study of the movement of air and other gases. Aerodynamics includes the study of the interactions of air with moving objects, such as airplanes, and of the effects of moving air on stationary objects, such as buildings.

The branch of science devoted to the study of the flow of gases around solid objects. It is especially important in the design of cars and airplanes, which move through the air.

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