hy·​drau·​lic | \ hī-ˈdrȯ-lik How to pronounce hydraulic (audio) \

Definition of hydraulic

1 : operated, moved, or effected by means of water
2a : of or relating to hydraulics hydraulic engineer
b : of or relating to water or other liquid in motion hydraulic erosion
3 : operated by the resistance offered or the pressure transmitted when a quantity of liquid (such as water or oil) is forced through a comparatively small orifice or through a tube hydraulic brakes
4 : hardening or setting under water hydraulic cement

Other Words from hydraulic

hydraulically \ hī-​ˈdrȯ-​li-​k(ə-​)lē How to pronounce hydraulic (audio) \ adverb

Did you know?

By means of a hydraulic lift, the driver can lift the bed of a dump truck with the touch of a button. He might also repair the hydraulic steering, the hydraulic brake, or the hydraulic clutch—all of which, like the lift that holds everything up, take advantage of the way liquids act under pressure. Somewhat like a pulley or a lever, a hydraulic system magnifies the effect of moderate pressure exerted over a longer distance into powerful energy for a shorter distance.

Examples of hydraulic in a Sentence

Recent Examples on the Web Once they’re deemed safe, the team would open the oil tank lids and insert hydraulic pumps inside to remove the oil to a temporary vessel moored in the Red Sea. Manasee Wagh, Popular Mechanics, 12 May 2022 Mounted on a four-link, pantograph-style hydraulic mechanism, the oversize center section of the swim platform can cantilever upwards, revealing a tender and toy garage. Howard Walker, Robb Report, 6 May 2022 According to the study, the male spiders rely on the inner hydraulic mechanism in their legs to quickly get away. Asha C. Gilbert, USA TODAY, 26 Apr. 2022 Last week, the collective hacked 645,000 emails (up to 432 GB of data) from Enerpred, Russia’s largest hydraulic equipment producer specializing in energy, coal, gas, oil, and construction industries. Carmela Chirinos, Fortune, 25 Apr. 2022 And yet the solutions may be picking up heavy stuff with cranes, picking up the earth with a hydraulic jack. Matthew Hutson, The New Yorker, 18 Apr. 2022 The RH Rotors support the attachment of a small hydraulic damper. Lee Hutchinson, Ars Technica, 14 Apr. 2022 Amid the bitter cold wind on the bow, a hydraulic line snaking up a second smaller crane had chafed and cracked, sucking in water. Anchorage Daily News, 4 Apr. 2022 The 2023 Freightliner purchase -- which is $202,636 for the truck, snow plow, hitch assembly with electrical and hydraulic systems -- marks the city’s third such snowplow purchase in the last four years through State of Ohio term contracts. John Benson, cleveland, 30 Mar. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydraulic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of hydraulic

1661, in the meaning defined at sense 1

History and Etymology for hydraulic

Latin hydraulicus, from Greek hydraulikos, from hydraulis hydraulic organ, from hydr- + aulos reed instrument — more at alveolus

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Time Traveler for hydraulic

Time Traveler

The first known use of hydraulic was in 1661

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Dictionary Entries Near hydraulic



hydraulic brake

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Statistics for hydraulic

Last Updated

19 May 2022

Cite this Entry

“Hydraulic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydraulic. Accessed 23 May. 2022.

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More Definitions for hydraulic


hy·​drau·​lic | \ hī-ˈdrȯ-lik How to pronounce hydraulic (audio) \

Kids Definition of hydraulic

1 : operated, moved, or brought about by means of water hydraulic pressure
2 : operated by liquid forced through a small hole or through a tube hydraulic brakes

Other Words from hydraulic

hydraulically \ -​li-​kə-​lē \ adverb

More from Merriam-Webster on hydraulic

Nglish: Translation of hydraulic for Spanish Speakers


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