Specific state of Thermodynamic system with all phases staying at Thermodynamic equilibrium.
An important property of Phase Equilibrium is that it honours Gibbs Phase Rule.
The academic and engineering studies use Phase Equilibrium Diagram to visualize and understand Phase Equilibrium.
See also
Natural Science / Physics / Thermodynamics / Thermodynamic system / Phase
[ State of matter ][ Pure substance ] [ Mixtures ][ Fluid Mixtures ][ Multi-phase fluid ]
[ Thermodynamic equilibrium ][ Vapour Liquid Equilibrium (VLE) ]
[ Phase Equilibrium Diagram ][ Gibbs Phase Rule ][ Phase Equilibrium Boundary (diagram) ][ Phase Equilibrium Boundary (spatial) ]