hydraulic ram
English
Noun
hydraulic ram (plural hydraulic rams)
- Used other than figuratively or idiomatically: see hydraulic, ram.
- A water pump in which a flow of water is intermittently halted by a valve so that the flow is forced upward through an open pipe, usually into a reservoir.
- A hydraulic cylinder with a piston activated by pumping hydraulic fluid into the cylinder.
- 1961 October, “Car carriage by rail - at home and abroad: 1. New B.R. "covered wagons"”, in Trains Illustrated, page 596:
- The lifts are operated by means of a hydraulic ram with wire ropes, which derives its pressure from a small pump driven by an electric motor.
Synonyms
- (water pump): hydram
See also
Further reading
hydraulic ram on Wikipedia.Wikipedia 
Category:Hydraulic rams on Wikimedia Commons.Wikimedia Commons - “hydraulic ram”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
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