Equilibration /(?)/

E·qui·li·bra·tion

Equilibration

n.
  1. Act of keeping a balance, or state of being balanced; equipoise.
    In . . . running, leaping, and dancing, nature's laws of equilibration are observed.
    — J. Denham.
  2. The process by which animal and vegetable organisms preserve a physiological balance. (Biol.)