Dictionary
Gibbs' func"tion
the thermodynamic function of a system that is equal to its enthalpy minus the product of its absolute temperture and entropy: a decrease in the function is equal to the maximum amount of work available exclusive of that due to pressure times volume change during a reversible, isothermal, isobaric process. Also called
Gibbs' free' en'ergy, thermodynamic potential. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.