Akademik

equilibrium
noun /iːkwɪˈlɪbɹɪəm,ɛkwɪˈlɪbɹɪəm/
a) The condition of a system in which competing influences are balanced, resulting in no net change.
b) The state of a body at rest or in uniform motion in which the resultant of all forces on it is zero.
Syn: balance, stability, sanity
Ant: disequilibrium, imbalance, instability, non-equilibrium, insanity, madness

Wikipedia foundation.