from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of, involving, moved by, or operated by a fluid, especially water, under pressure.
- adj. Able to set and harden under water, as Portland cement.
- adj. Of or relating to hydraulics.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Pertaining to water
- adj. Related to hydraulics
from the GNU version of the Collaborative International Dictionary of English
- adj. Of or pertaining to hydraulics, or to fluids in motion; conveying, or acting by, water.
from The Century Dictionary and Cyclopedia
- Pertaining or relating to fluids in motion, or to hydraulics. See hydraulics.
- The larger or lifting piston of a hydraulic press.
- In mining, to work by the hydraulic-mining process.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. moved or operated or effected by liquid (water or oil)
- adj. of or relating to the study of hydraulics
Latin hydraulicus, from Greek hudraulikos, from hudraulis, water organ : hudro-, hudr-, hydro- + aulos, pipe, flute.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek ὑδραυλικός ("of a water organ"), from ὕδραυλις ("water organ"). (Wiktionary)