Equilibrium

n. pl. E. Equilibriums (#), L. Equilibria (#).

1. Equality of weight or force; an equipoise or a state of rest produced by the mutual counteraction of two or more forces.
2. A level position; a just poise or balance in respect to an object, so that it remains firm; equipoise; as, to preserve the equilibrium of the body.
3. A balancing of the mind between motives or reasons, with consequent indecision and doubt.
Equilibrium valve (Steam Engine),
a balanced valve. See under Valve.