English

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

 

catalysis

 noun
noun
BrE BrE//kəˈtæləsɪs//
 
; NAmE NAmE//kəˈtæləsɪs//
 
[uncountable] (chemistry)
 
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an increase in the rate of a chemical reaction that is cause by a substance called a catalyst (1) the catalysis of organic reactions