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Definition of catalysis noun from the Oxford Advanced Learner's Dictionary

catalysis

noun
 
/kəˈtæləsɪs/
 
/kəˈtæləsɪs/
 [uncountable] (chemistry)
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  1. an increase in the rate of a chemical reaction that is cause by a substance called a catalyst
    • the catalysis of organic reactions
    Topics Physics and chemistryc2
See catalysis in the Oxford Learner's Dictionary of Academic English
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noun
 
 
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