English ⇄ Catalan

catalyst A substance whose presence alters the rate at which a chemical reaction proceeds, but whose own composition remains unchanged by the reaction. Catalysts are usually employed to accelerate reactions(positive catalyst), but retarding (negative) catalysts are also used ['kæt(ə)lɪst] n
environ.	catalitzador
English thesaurus
catalyst ['kæt(ə)lɪst] abbr.
abbr., polym.	cat