turnover number(redirected from Catalytic turnover number)
Also found in: Medical.
turnover number[′tərn·ō·vər ‚nəm·bər]
The number of molecules of a substrate acted upon in a period of 1 minute by a single enzyme molecule, with the enzyme working at a maximum rate.
In an industrial catalytic process, a value that indicates the amount of feed or substrate converted per a measured amount of catalyst.