The Collaborative International Dictionary of English v.0.48:
catalyze \catalyze\ v. t. 1. 1 (chemistry) to cause (a chemical reaction) to proceed more quickly by contacting the reactant(s) with another substance; as, moisture catalyzes the oxidation of iron in air. [Also spelled catalyse.] Syn: change by catalysis, cause to catalyze. [WordNet 1.5]WordNet (r) 3.0 (2006):
catalyze v 1: change by catalysis or cause to catalyze [syn: catalyze, catalyse]