Definitions for: Equilibrium

[n] a sensory system located in structures of the inner ear that registers the orientation of the head
[n] a chemical reaction and its reverse proceed at equal rates
[n] equality of distribution
[n] a stable situation in which forces cancel one another

Webster (1913) Definition: E`qui*lib"ri*um, n.; pl. E. Equilibriums, L.
Equilibria. [L. aequilibrium, fr. aequilibris in
equilibrium, level; aequus equal + libra balance. See
Equal, and Librate.]
1. Equality of weight or force; an equipoise or a state of
rest produced by the mutual counteraction of two or more

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.

Health consists in the equilibrium between those two
powers. --Arbuthnot.

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.

Synonyms: balance, chemical equilibrium, counterbalance, equipoise, labyrinthine sense, sense of balance, sense of equilibrium, vestibular sense

Antonyms: disequilibrium

See Also: acid-base balance, acid-base equilibrium, balance, balance of power, chemical reaction, conformation, construction, dynamic balance, homeostasis, poise, proportion, proprioception, reaction, situation, state of affairs, structure, symmetry, thermal equilibrium

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