Equilibrium

[ee-kwuh-lib-ree-uhm, ek-wuh-]

Equilibrium is the condition of a system in which competing influences are balanced and it may refer to:

Science

Equilibrioception, the sense of balance present in humans and animals
Homeostasis, the ability of an open system, especially living organisms, to regulate its internal environment
Genetic equilibrium, theoretical state in which a population is not evolving
Punctuated equilibrium, theory in evolutionary biology
Sedimentation equilibrium, analytical ultracentrifugation method for measuring protein molecular masses in solution

Chemical equilibrium, the state in which the concentrations of the reactants and products have no net change over time
Diffusion equilibrium, when the concentrations of the diffusing substance in the two compartments are equal
Donnan equilibrium, the distribution of ion species between two ionic solutions separated by a semipermeable membrane or boundary
Dynamic equilibrium, the state in which two reversible processes occur at the same rate
Equilibrium constant, a quantity characterizing a chemical equilibrium in a chemical reaction
Equilibrium unfolding, the process of unfolding a protein or RNA molecule by gradually changing its environment
Psychrometrics (Humidification/ Dehumidification Drying)
Partition equilibrium, a type of chromatography that is typically used in GC
Quasistatic equilibrium, the quasi-balanced state of a thermodynamic system near to equilibrium in some sense or degree
Schlenk equilibrium, a chemical equilibrium named after its discoverer Wilhelm Schlenk taking place in solutions of Grignard reagents
Solubility equilibrium, any chemical equilibrium between solid and dissolved states of a compound at saturation
Thermodynamic equilibrium, the state of a thermodynamic system which is in thermal, mechanical, and chemical equilibrium
Vapor-liquid equilibrium Distillation

Mechanical equilibrium, the state in which the sum of the forces, and torque, on each particle of the system is zero
Hydrostatic equilibrium, the state of a system in which compression due to gravity is balanced by a pressure gradient force
Equilibrium figures of Earth and planets (Physical geodesy)
Equilibrium mode distribution, involves light traveling in an optical waveguide or fiber
Hyperbolic equilibrium point, a mathematical concept in physics
Secular equilibrium, a state of radioactive elements in which the production rate of a daughter nucleus is balanced by its own decay rate

Competitive equilibrium, economic equilibrium when all buyers and sellers are small relative to the market
Economic equilibrium, a condition in economics
Equilibrium price, the price at which supply equals demand
General equilibrium, a branch of theoretical microeconomics
Intertemporal equilibrium, an equilibrium concept over time
Lindahl equilibrium, a method proposed by Erik Lindahl for financing public goods
Partial equilibrium, one part of the general economic equilibrium
Radner equilibrium, an economic concept defined by economist Roy Radner in the context of general equilibrium
Recursive competitive equilibrium, an economic equilibrium concept associated with a dynamic program
Static equilibrium (economics), the intersection of supply and demand in any market
Sunspot equilibrium, an economic equilibrium in which nonfundamental factors affect prices or quantities
Underemployment equilibrium, a situation in Keynesian economics with a persistent shortfall relative to full employment and potential output

Correlated equilibrium, a solution concept in game theory that is more general than the well known Nash equilibrium
Nash equilibrium, a solution concept in game theory involving two or more players

Quasi-perfect equilibrium, a refinement of Nash Equilibrium for extensive form games due to Eric van Damme
Sequential equilibrium, a refinement of Nash Equilibrium for extensive form games due to David M. Kreps and Robert Wilson

Symmetric equilibrium, in game theory, an equilibrium where all players use the same strategy
Trembling hand perfect equilibrium assumes that the players, through a "slip of the hand" or tremble, may choose unintended strategies

Make Love and War, The Wedlock of Equilibrium, an album by Ordo Rosarius Equilibrio
Equilibrium (band), a German Viking metal band
"IX Equilibrium", the third LP by the black metal band Emperor
Equilibrium, an album by sludge doom band Crowbar
Equilibrium (record label), a Portuguese record label

Equilibrium (2002 film), a science-fiction film
"Equilibrium" (seaQuest 2032 episode), episode of seaQuest 2032
"Equilibrium" (DS9 episode), an episode of Star Trek: Deep Space Nine
Equilibrium moisture content, the moisture content at which the wood is neither gaining nor losing moisture
Equilibrium point, node in mathematics
Patterson equilibrium, a theory used in highway traffic modelling, air-traffic modelling, business modelling, and electrical grid operation
Reflective equilibrium, the state of balance or coherence among a set of beliefs arrived at by a process of deliberative mutual adjustment
Social equilibrium, a system in which there is a dynamic working balance among its interdependent parts
Equilibrium (puzzle), a 3D interlocking type puzzle made of 6 half circle pieces
Equilibration is the means of cognitive development in Jean Piaget's cognitive developmental theory.

Equilibrium, LLC - Filming in Egypt - British managed - Production company....