hydrodynamic
adj 2
Definitions
adj
1
Of, or relating to the science of hydrodynamics.
On the descent from Semmering to Payerbach-Reichenau, with a ruling gradient of 1 in 39 [...], the Voith hydrodynamic brake kept the train within the 19 and 23 m.p.h. limitations without recourse to air brakes, [...].
2
Operated by the force of water in motion.
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