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1. A water pump in which the downward flow of naturally running water is intermittently halted by a valve so that the flow is forced upward through an open pipe into a reservoir.
2. The large output piston of a hydraulic press.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Mechanical Engineering) any large device involving the displacement of a piston or plunger driven by fluid pressure
2. (Mechanical Engineering) a form of water pump utilizing the kinetic energy of running water to provide static pressure to raise water to a reservoir higher than the source
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||hydraulic ram - a water pump that uses the kinetic energy of flowing water to force a small fraction of that water to a reservoir at a higher level|
pump - a mechanical device that moves fluid or gas by pressure or suction
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.