Sterhydraulic

a. [ Stereo- + hydraulic. ] Pertaining to, or designating, a kind of hydraulic press; resembling such a press in action or principle. [ 1913 Webster ]

Sterhydraulic press, an hydraulic press producing pressure or motion by the introduction of a solid substance (as a long rod, or a cord wound on a roller) into a cylinder previously filled with a liquid. [ 1913 Webster ]