Isopiestic

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Isopiestic \I`so*pi*es"tic\, a. [Iso- + Gr. ? to press.]
     (Thermodynamics)
     Having equal pressure.
     [1913 Webster]
  
     {Isopiestic lines}, lines showing, in a diagram, the


        relations of temperature and volume, when the elastic
        force is constant; -- called also {isobars}.
        [1913 Webster]