Definition of hydraulic
- hydraulic engineer
- hydraulic erosion
- hydraulic brakes
- hydraulic cement
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.
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.
: operated by the pressure of a fluid
: occurring or used in a hydraulic system
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