Catalytic force

from The Collaborative International Dictionary of English v.0.48

Catalytic \Cat`a*ly"tic\, a.
   Relating to, or causing, catalysis. "The catalytic power is
   ill understood." --Ure.
   [1913 Webster]

   {Catalytic force}, that form of chemical energy formerly
      supposed to determine catalysis.
      [1913 Webster]