n pl but sing or pl in constr :  a branch of dynamics that deals with the motion of air and other gaseous fluids and with the forces acting on bodies in motion relative to such fluids aero*dy*nam*ic also  aero*dy*nam*i*cal  adj aero*dy*nam*i*cal*ly adv aero*dy*nam*i*cist n 
 
 
 
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