Wiktionary
biocatalysis
n. (context biochemistry English) catalysis using biological catalysts (especially using enzymes)
Wikipedia
Biocatalysis
Biocatalysis is catalysis in living (biological) systems. In biocatalytic processes, natural catalysts, such as protein enzymes, perform chemical transformations on organic compounds. Both enzymes that have been more or less isolated and enzymes still residing inside living cells are employed for this task.