sterhydraulic

from The Century Dictionary.

• Pertaining to or having an action resembling that of a sterhydraulic press. See the phrase.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Pertaining to, or designating, a kind of hydraulic press; resembling such a press in action or principle.
• adjective 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Producing pressure or motion by the introduction of a solid substance (such as a long rod, or a cord wound on a roller) into a cylinder previously filled with a liquid.