The Collaborative International Dictionary of English v.0.48:

Hydrokinetic \Hy`dro*ki*net"ic\, a. [Hydro-, 1 + kinetic.]
   Of or pertaining to the motions of fluids, or the forces
   which produce or affect such motions; -- opposed to
   hydrostatic. --Sir W. Thomson.
   [1913 Webster]

WordNet (r) 3.0 (2006):

hydrokinetic
    adj 1: relating to fluids in motion or the forces that produce
           or affect such motion [ant: hydrostatic]