The engineering science that deals with practical applications where liquid is in motion and transmits energy. / The hydraulic system of a vehicle or other machine.

Pertaining to water. / Related to, or operated by, hydraulics.

(transitive) To mine using the technique of hydraulic mining.

Using hydraulics.

Archaic form of hydraulic.

plural of hydraulicity

(uncountable) The condition of being hydraulic / (countable) The capacity of a cement to harden under water

plural of diesel-hydraulic

(economics, derogatory) A type of Keynesianism that assumes homogeneous macroeconomic aggregates and uses that assumption in relation to the Phillips curve to exploit a trade-off between inflation and unemployment, typically prioritising low unemployment at the expense of higher inflation.

Used other than figuratively or idiomatically: see hydraulic, ram.