Gibbs-Poynting equation

Gibbs-Poynting equation

[¦gibz ′pȯint·iŋ i‚kwā·zhən]
(physical chemistry)
An expression relating the effect of the total applied pressure P upon the vapor pressure p of a liquid, (dp/dP) :yT = Vl / Vg , where Vl and Vg are molar volumes of the liquid and vapor.