1) Catalysis 2) Contact action 
The action of autocatalysis.
A compound that catalyses its own chemical transformation. More commonly a reaction that is catalysed by one of its products or an enzyme catalysed reaction in which one of the products functions as an enzyme activator. ... (18 Nov 1997) ... 
A compound that catalyses its own chemical transformation. More commonly a reaction that is catalysed by one of its products or an enzyme-catalysed reaction in which one of the products functions as an enzyme activator.
Type: Term Pronunciation: aw′tō-kat′ă-lit′ik Definitions: 1. Relating to autocatalysis.
[adj] - relating to or proceeding by autocatalysis
autocatalysis, autocatalytic Catalysis of a reaction by one of its products; also called 'autoactivation'.
adjective relating to or proceeding by autocatalysis