Denoting or relating to a liquid moving in a confined space under pressure
An automatic pump in which a large volume of water flows through a valve which it periodically forces shut, the sudden pressure change being used to raise a smaller volume of water to a higher level
Denoting or relating to a locomotive driven by a hydraulic transmission system powered by a diesel engine
Relating to or denoting a hydraulic system that is powered or controlled electrically
Both pneumatic and hydraulic.
Another term for fracking.