Isopiestic
Pronunciation : I`so*pi*es"tic
Part of Speech : a.
Etymology : [Iso- + Gr. (Thermodynamics)
Definition : Defn: Having equal pressure. Isopiestic lines, lines showing, in a diagram, the relations of temperature and volume, when the elastic force is constant; -- called also isobars.
Source : Webster's Unabridged Dictionary, 1913