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catalyst
 catalyst
acrid. مادة محفزة/ مساعدة; عامل وسيط / حفاز
envir. محفز - حفاز
médic. حَفَّاز
 | complex
 complex
génér. مجمع; مركب; معقد
médic. عُقْدَة
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phrases

catalyst

['kæt(ə)lɪst] n
acrid. مادة محفزة/ مساعدة   ؛عامل وسيط / حفاز
médic. حَفَّاز
pétr. 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
envir. محفز - حفاز
 Anglais glossaire
catalyst ['kæt(ə)lɪst] abbr.
abrév., polym. cat
catalyst
: 5 phrases, 2 sujets
Agriculture1
Technologie4

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