- The definition of hydraulic is operated by the moving force of a liquid.
An example of a hydraulic machine is one that is powered by water.
- of hydraulics
- operated by the movement and force of liquid; specif., operated by the pressure created when a liquid is forced through an aperture, tube, etc.: hydraulic brakes
- setting or hardening under water: hydraulic mortar
Origin of hydraulicFrench hydraulique ; from Classical Latin hydraulicus ; from Classical Greek hydraulikos, of a water organ ; from hydraulis, water organ ; from hydōr, water + aulos, tube, pipe ; from Indo-European base an unverified form aulos from source (with metathesis) Classical Latin alvus, the belly
- Of, involving, moved by, or operated by a fluid, especially water, under pressure.
- Able to set and harden under water, as Portland cement.
- Of or relating to hydraulics.
Origin of hydraulicLatin hydraulicus, from Greek hudraulikos, from hudraulis, water organ : hudro-, hudr-, hydro- + aulos, pipe, flute.
From Ancient Greek ὑδραυλικός (hudraulikos, “of a water organ”), from ὕδραυλις (hudraulis, “water organ”).