hydraulic press


noun

a machine permitting a small force applied to a small piston to produce, through fluid pressure, a large force on a large piston.

Origin of hydraulic press

First recorded in 1850–55

British Dictionary definitions for hydraulic press

hydraulic press

noun

a press that utilizes liquid pressure to enable a small force applied to a small piston to produce a large force on a larger piston. The small piston moves through a proportionately greater distance than the larger