Date: 1926 : a relatively stable state of equilibrium or a tendency toward such a state between the different but interdependent elements or groups of elements of an organism, population, or group If you see my missing Homeostasis wander by, please lassoo it for me and send it my way....just sayin'. I used to have it, but lately it's become like that "bright elusive butterfly of love", sung by Bob Lind.