Dictionary

horsepower

noun horse·pow·er \ˈhrs-ˌpa(-ə)r\

: a unit used to measure the power of engines

Full Definition of HORSEPOWER

1
:  the power that a horse exerts in pulling
2
:  a unit of power equal in the United States to 746 watts and nearly equivalent to the English gravitational unit of the same name that equals 550 foot-pounds of work per second
3
:  effective power <intellectual horsepower> <computing horsepower>
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Examples of HORSEPOWER

  1. an engine with 200 horsepower
  2. <that architectural firm probably doesn't have the creative horsepower to produce a truly innovative design>

First Known Use of HORSEPOWER

1806
HORSEPOWER Defined for Kids

horsepower

noun horse·pow·er \ˈhrs-ˌpa-ər\

Definition of HORSEPOWER for Kids

:  a unit of power that equals the work done in lifting 550 pounds one foot in one second
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