D defs.my
Entry 2 senses Webster, 1913

Equilibration

· E·qui·li·bra·tion · IPA
01 n. Act of keeping a balance, or state of being balanced; equipoise.
  1. 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. 2.
    The process by which animal and vegetable organisms preserve a physiological balance.(Biol.)