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catalyst

['kæt(ə)lɪst] s
med. catalyseur m; catalysateur m; accélérateur m
semiót. catalyse f
catalysts s
patent. catalyseurs m
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] s
ambient. catalyseur m
 Inglés tesauro
catalyst ['kæt(ə)lɪst] abbr.
abrev., polím. cat
Catalyst Control
: 1 a las frases, 1 temas
Química1