plural of horsepower

(uncountable) Power derived from the motion of a horse.

plural of brake horsepower

plural of hydraulic horsepower

plural of thermal horsepower

plural of mechanical horsepower

The useful horsepower of an engine as measured at its drive shaft.

(mechanical engineering) In an engine, the power measured in horse power delivered to a rotating shaft, which could be in a turbine, or transmission.

plural of horsepower-hour

(electricity) The horsepower of an electric motor, determined by the readings from a thermal-type ammeter.