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catalyst ['kæt(ə)lɪst] n
acrid.	مادة محفزة/ مساعدة   ؛عامل وسيط / حفاز
med.	حَفَّاز
oil	حفاز
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 n
environ.	محفز - حفاز
English thesaurus
catalyst ['kæt(ə)lɪst] abbr.
abbr., polym.	cat

catalyst: 5 phrases in 2 subjects

Agriculture	1
Technology	4