The Collaborative International Dictionary of English v.0.48:
Autocatalysis \Au`to*ca*tal"y*sis\, n. [Auto- + catalysis.] (Chem.) Self-catalysis; catalysis of a substance by one of its own products, as of silver oxide by the silver formed by reduction of a small portion of it. -- Au`to*cat`a*lyt"ic, a. [Webster 1913 Suppl.]WordNet (r) 3.0 (2006):
autocatalytic adj 1: relating to or proceeding by autocatalysis