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hydraulic

[hahy-draw-lik, -drol-ik] /haɪˈdrɔ lɪk, -ˈdrɒl ɪk/
adjective
1.
operated by, moved by, or employing water or other liquids in motion.
2.
operated by the pressure created by forcing water, oil, or another liquid through a comparatively narrow pipe or orifice.
3.
of or pertaining to water or other liquids in motion.
4.
of or pertaining to hydraulics.
5.
hardening under water, as a cement.
Origin
1620-1630
1620-30; < Latin hydraulicus < Greek hydraulikós of a water organ. See hydraulus, -ic
Related forms
hydraulically, adverb
nonhydraulic, adjective
unhydraulic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for hydraulic
  • Advances in horizontal drilling and the hydraulic fracturing of rock have made it possible to get previously inaccessible gas out.
  • Whales, for example, have an internal hydraulic system adapted to their air-breathing ocean existence.
  • Running between each segment are the hydraulic pistons.
  • People the world over come see the country's largest working hydraulic model.
  • Using hydraulic jacks, the entire building can be raised.
  • Then, they hoisted it on deck with a hydraulic lift.
  • hydraulic fracturing offers a quick seemingly easy to a serious problem.
  • Indeed, taking fluid from one place and moving it to another is the entire nature of a hydraulic system.
  • The rise and fall of the buoy squeezes hydraulic fluid that turns a generator, producing electricity.
  • Ocean waves move the hydraulic fluid, which spins the generator.
British Dictionary definitions for hydraulic

hydraulic

/haɪˈdrɒlɪk/
adjective
1.
operated by pressure transmitted through a pipe by a liquid, such as water or oil
2.
of, concerned with, or employing liquids in motion
3.
of or concerned with hydraulics
4.
hardening under water hydraulic cement
Derived Forms
hydraulically, adverb
Word Origin
C17: from Latin hydraulicus of a water organ, from Greek hudraulikos, from hudraulos water organ, from hydro- + aulos pipe, reed instrument
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for hydraulic
hydraulic
1606, from Gk. hydraulikos organon "water organ," from hydr-, stem of hydor "water" (see water (n.1)) + aulos "musical instrument, hollow tube." Extended in L. authors to other kinds of water engines.
Online Etymology Dictionary, © 2010 Douglas Harper
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hydraulic in Science
hydraulic
  (hī-drô'lĭk)   
  1. Operated by the pressure of water or other liquids. Hydraulic systems, such as hydraulic brakes, allow mechanical force to be transferred along curved paths (through pipes or tubes) that would be difficult for solid mechanisms, such as levers or cables, to negotiate efficiently.

  2. Relating to hydraulics.

  3. Capable of hardening under water, as cement.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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hydraulic in Culture

hydraulic definition


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.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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18
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