Webster’s Revised Unabridged Dictionary · 1913
Sterhydraulic
Ster′hy·drau′lic, a. [Stereo- + hydraulic.] Pertaining to, or designating, a kind of hydraulic press; resembling such a press in action or principle.
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.