Chem. a generalization in the study of equilibriums between two or more phases of a system, stating that the number of degrees of freedom is equal to the number of components minus the number of phases plus the constant 2, or F = C ? P + 2
"phase rule." YourDictionary, n.d. Web. 22 November 2018. <https://www.yourdictionary.com/phase-rule>.
phase rule. (n.d.). Retrieved November 22nd, 2018, from https://www.yourdictionary.com/phase-rule
A rule used in thermodynamics stating that the number of degrees of freedom in a physical system at equilibrium is equal to the number of chemical components in the system minus the number of phases plus the constant 2. Also called Gibbs phase rule