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

plural of horsepower

plural of horsepower-hour

(electricity) A unit of energy equal to the amount of work a horse is capable of delivering during an hour.

plural of thermal horsepower

plural of mechanical horsepower

plural of hydraulic horsepower

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

(electricity) A nonmetric unit of power approximately equivalent to 745.7 watts.

(chemical engineering) The amount of pressure multiplied by the volumetric flowrate.