the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. In physical chemistry, the catalytic action of a complex substance upon itself, in which one of its functions accelerates the velocity of reaction of another function.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. catalysis in which the catalyst is one of the products of the reaction