equilibrium

• POS: Noun
• HYPHEN: e=qui=lib=ri=um

CIDE DICTIONARY

equilibrium, n. [L. aequilibrium, fr. aequilibris in equilibrium, level; aequus equal + libra balance. See Equal, and Librate.].

•  Equality of weight or force; an equipoise or a state of rest produced by the mutual counteraction of two or more forces.  [1913 Webster]
•  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.  [1913 Webster]

  "Health consists in the equilibrium between those two powers."  [1913 Webster]
•  A balancing of the mind between motives or reasons, with consequent indecision and doubt.  [1913 Webster]

Equilibrium valve (Steam Engine), a balanced valve. See under Valve.

OXFORD DICTIONARY

equilibrium, n. (pl. equilibria or equilibriums)
1 a state of physical balance.
2 a state of mental or emotional equanimity.
3 a state in which the energy in a system is evenly distributed and forces, influences, etc., balance each other.

Etymology

L (as EQUI-, libra balance)

THESAURUS

equilibrium

accordance, aplomb, assurance, balance, balanced personality, beauty, bilateral symmetry, calm, coequality, coextension, communion, community, concinnity, confidence, conformity, congruity, consistency, consonance, constancy, continuity, cool, corelation, correlation, correlativism, correlativity, correspondence, counterbalance, counterpoise, dynamic symmetry, equability, equality, equanimity, equation, equipoise, equipollence, equiponderance, equity, equivalence, equivalency, euphony, eurythmics, eurythmy, evenness, fastness, finish, firmness, harmony, homeostasis, homogeneity, identity, imperturbability, invariability, inverse proportion, inverse ratio, inverse relationship, justice, keeping, level head, levelheadedness, levelness, likeness, measure, measuredness, monolithism, multilateral symmetry, mutuality, nerve, order, orderedness, par, parallelism, parity, persistence, poise, polarity, possession, presence of mind, proportion, proportionality, reciprocality, reciprocation, reciprocity, regularity, relativity, reliability, restraint, rhythm, rootedness, sang-froid, secureness, security, self-assurance, self-command, self-confidence, self-control, self-possession, self-restraint, shapeliness, solidity, soundness, stability, stabilization, stable equilibrium, stable state, stasis, steadfastness, steadiness, steady nerves, steady state, substantiality, sweetness, symmetricalness, symmetry, trilateral symmetry, undeflectability, uniformity, unity, unruffledness, unshakable nerves, unshakableness, well-regulated mind

ROGET THESAURUS

equilibrium

Equality

N equality, parity, coextension, symmetry, balance, poise, evenness, monotony, level, equivalence, equipollence, equipoise, equilibrium, equiponderance, par, quits, a wash, not a pin to choose, distinction without a difference, six of one and half a dozen of the other, tweedle dee and tweedle dum, identity, similarity, equalization, equation, equilibration, co-ordination, adjustment, readjustment, drawn game, drawn battle, neck and neck race, tie, draw, standoff, dead heat, match, peer, compeer, equal, mate, fellow, brother, equivalent, equal, even, level, monotonous, coequal, symmetrical, coordinate, on a par with, on a level with, on a footing with, up to the mark, equiparant, equivalent, tantamount, indistinguishable, quits, homologous, synonymous, resolvable into, convertible, much at one, as broad as long, neither more nor less, much the same as, the same thing as, as good as, all one, all the same, equipollent, equiponderant, equiponderous, equibalanced, equalized, drawn, half and half, isochronal, isochronous isoperimetric, isoperimetrical, isobath, isobathic, equally, pari passu, ad eundum, caeteris paribus, in equilibrio, to all intents and purposes, it comes to the same thing, it amounts to the same thing, what is sauce for the goose is sauce for the gande.