hy·​drau·​lics | \ hī-ˈdrȯ-liks How to pronounce hydraulics (audio) \
plural in form but singular in construction

Definition of hydraulics

: a branch of science that deals with practical applications (such as the transmission of energy or the effects of flow) of liquid (such as water) in motion

Examples of hydraulics in a Sentence

Recent Examples on the Web Eventually, Williams ran out of ammunition, and cannon fire from a MiG took out control of his rudder and hydraulics. San Diego Union-Tribune, 17 June 2022 One of the funny embellishments for Broadway is the appearance via hydraulics of a beloved recording artist who pops out of a glittering coffin to add her voice to those berating Usher for his insult to Perry. Washington Post, 27 Apr. 2022 This was a major problem, which if not fixed could disable all the deck equipment run by hydraulics and force an early retreat back to port. Anchorage Daily News, 4 Apr. 2022 Motion cameras, a swim bench ergometer, and a treadmill on hydraulics are just a few of the gadgets placed around the lab, ready to measure how surfers move. Noah Lederman, Outside Online, 17 May 2022 The Black-Eyed Susan was then taken in February to Colonna’s Shipyard in Norfolk for an extensive inspection that revealed multiple issues with the hull, hydraulics system and paddlewheel frame, according to the release. From Usa Today Network And Wire Reports, USA TODAY, 18 May 2022 An outdoor pool area has a pop-up movie screen on hydraulics. Katherine Clarke, WSJ, 3 Feb. 2022 Cruise Night are a feast for the eyes—and that’s before the hydraulics start bouncing. Jeff Campagna, Smithsonian Magazine, 9 Dec. 2021 As these devices — and their computers, turbines and hydraulics — must survive in some of the harshest conditions on Earth. Washington Post, 9 Nov. 2021 See More

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

First Known Use of hydraulics

1671, in the meaning defined above

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Time Traveler for hydraulics

Time Traveler

The first known use of hydraulics was in 1671

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Dictionary Entries Near hydraulics

hydraulic rope-geared elevator


hydraulic sprayer

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Statistics for hydraulics

Last Updated

23 Aug 2022

Cite this Entry

“Hydraulics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydraulics. Accessed 5 Oct. 2022.

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More Definitions for hydraulics


noun, plural in form but singular in construction
hy·​drau·​lics | \ hī-ˈdrȯ-liks How to pronounce hydraulics (audio) \

Medical Definition of hydraulics

: a branch of science that deals with practical applications (as the transmission of energy or the effects of flow) of liquid (as water) in motion

Other Words from hydraulics

hydraulic \ -​lik How to pronounce hydraulics (audio) \ adjective

More from Merriam-Webster on hydraulics

Britannica.com: Encyclopedia article about hydraulics


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