cooperativity: Meaning and Definition of

co•op•er•a•tiv•i•ty

Pronunciation: (kō-op"ur-u-tiv'i-tē), [key]
— n. Biochem.
  1. the increase or decrease in the rate of interaction between a reactant and a protein as the reactant concentration increases.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.