Definition of coordination number in US English:

coordination number


  • The number of atoms or ions immediately surrounding a central atom in a complex or crystal.

    • ‘This definition of the first coordination shell gives a coordination number of ~ 2.65.’
    • ‘As seen in Fig.10, newly generated cells move to sites with a higher coordination number, i.e., with a higher number of neighboring cells.’
    • ‘Finally, we consider the effect of the coordination number of the heme iron atom.’
    • ‘These results show a single cell migrating along the colony border toward a site with a larger coordination number.’
    • ‘The hydration pattern is perturbed around the star site; the running coordination number is greater by 1.6 water molecules than that of the correct site.’