turnover number (redirected from Turn over number)

turnover number [′tərn·ō·vər ‚nəm·bər]

(biochemistry)

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.

(chemical engineering)

In an industrial catalytic process, a value that indicates the amount of feed or substrate converted per a measured amount of catalyst.