catalyst [catalysts](substance which increases the rate of a chemical reaction without being consumed in the process) noun [UK: ˈkæ.tə.lɪst] [US: ˈkæ.tə.ləst]Catalysts make chemical reactions possible at low temperatures. = Los catalizadores hacen que las reacciones químicas sean posibles en temperaturas bajas.
catalyzer [catalyzers](that which catalyzes) noun [UK: ˈkæ.tə.laɪ.zə] [US: ˈkæ.tə.laɪ.zə]