- a device by which the energy of descending water is utilized to raise a part of the water to a height greater than that of the source.
Origin of hydraulic ram
First recorded in 1800–10
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for hydraulic ram- any large device involving the displacement of a piston or plunger driven by fluid pressure
- 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 & Unabridged 2012 Digital Edition
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