a unit of power equal to 550 foot-pounds per second (745.7 watts).
the power of an engine measured in terms of this:
a strong 140-horsepower engine. See also brake horsepower.
power; ability to perform strenuous tasks:
other software improvements include more analytical horsepower.
, cower, devour, dower, embower, empower, endower, flour, flower, gaur, Glendower, glower, hour, lour, lower, our, plougher (US
plower), power, scour, shower, sour, Stour, sweet-and-sour, tower
•Beckenbauer • Eisenhower
•Schopenhauer • safflower
•passion flower • bellflower
•mayflower • cauliflower • wallflower
•sunflower • elderflower • man-hour
•Adenauer • manpower • brainpower
•willpower • horsepower • firepower
• rush hour
Unit indicating the rate at which work is done, adopted by James Watt
in the 18th century. He defined it as the weight, 250kg (550lb), a horse could raise 0.3m (1ft) in one second. The electrical equivalent of 1 hp is 746 watts.
an imperial unit of power equal to 550 foot-pounds per second (about 750 watts); the power of an engine measured in terms of this.