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[hahy-draw-lik, -drol-ik] /haɪˈdrɔ lɪk, -ˈdrɒl ɪk/

operated by, moved by, or employing water or other liquids in motion.
operated by the pressure created by forcing water, oil, or another liquid through a comparatively narrow pipe or orifice.
of or relating to water or other liquids in motion.
of or relating to .
hardening under water, as a cement.
operated by pressure transmitted through a pipe by a liquid, such as water or oil
of, concerned with, or employing liquids in motion
of or concerned with hydraulics
hardening under water: hydraulic cement

c.1600, from Greek hydraulikos organon “water organ,” from hydr-, stem of hydor “water” (see water (n.1)) + aulos “musical instrument, hollow tube” (see alveolus). Extended by the Romans to other kinds of water engines.

A descriptive term for a system operated or moved by a fluid. The hydraulic jack, in which force is transmitted from a handle by means of a heavy oil, is probably the most familiar hydraulic device.


Read Also:

  • Hydraulic-accumulator

    noun 1. an apparatus in which gas, usually air, is used as a cushion or shock absorber in a hydraulic system. 2. (in a hydraulic system) an apparatus for storing energy.

  • Hydraulic-brake

    noun 1. a brake operated by fluid pressures in cylinders and connecting tubular lines. noun 1. a type of brake, used in motor vehicles, in which the braking force is transmitted from the brake pedal to the brakes by a liquid under pressure

  • Hydraulic-cement

    noun 1. cement that can solidify under water.

  • Hydraulic-coupling

    noun 1. . noun 1. Machinery. an apparatus in which a fluid, usually oil, transmits torque from one shaft to another, producing an equal torque in the other shaft. noun 1. another name for torque converter

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