Source : Webster's Revised Unabridged Dictionary (1913)

Catalytic \Cat`a*ly"tic\, a.
   Relating to, or causing, catalysis. ``The catalytic power is
   ill understood.'' --Ure.

   {Catalytic force}, that form of chemical energy formerly
      supposed to determine catalysis.

Catalytic \Cat`a*lyt"ic\, n. (Chem.)
   An agent employed in catalysis, as platinum black, aluminium
   chloride, etc.

Source : WordNet®

catalytic
     adj : relating to or causing or involving catalysis; "catalytic
           reactions"