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catalyst
 catalyst
acrid. مادة محفزة/ مساعدة; عامل وسيط / حفاز
environ. محفز - حفاز
med. حَفَّاز
 | complex
 complex
gen. مجمع; مركب; معقد
econ. مجموعة; عقدة
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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 ['kæt(ə)lɪst] n
environ. محفز - حفاز
 English thesaurus
catalyst ['kæt(ə)lɪst] abbr.
abbr., polym. cat
catalyst
: 5 phrases in 2 subjects
Agriculture1
Technology4

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