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horsepower

horsepower

68 3.7
A unit that measures engine power, equal to 746 watts
  • noun
  • /ˈhɔrsˌpaʊər/
  • Specialized
translation icon : caballo de fuerza
  • By early 1915, Royce's new liquid-cooled 225-horsepower V-12 "Eagle" engine was ready for testing.
  • a horsepower engine
  • a horsepower motor
  • high horsepower

So maybe our problem here is we just need more CPU horsepower to keep our GPU fed.

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Examples

  • With 300 horsepower, this motorcycle can accelerate from 0 to 60 miles per hour in just three seconds.

  • Another boy's uncle owned an eighteen-foot Lyman with a twenty-five horsepower Johnson outboard.

    Academic text (1997)
  • How can they deliver that type of horsepower at this particular price point?

  • But all of that horsepower comes at a cost, and the first one is heat.

  • How much horsepower does your boat have?

  • Within a vehicle size class, fuel economy and horsepower compete directly for market share.

    Academic text (1999)
  • In these conditions, it must be almost impossible to drive a 450-horsepower car!

  • The Trabi sports only between 20 and 25 horsepower, and the average British car, about 45 horsepower.

    Academic text (1990)
  • Most boats have twin engines with horsepower ratings ranging from 100 to 500.

    Academic text (1992)
  • The Toyota Celica has 230 horsepower, and the latest Nissan has 300 horsepower.

    Academic text (1990)

Synonyms

HP
vshorsepower
  • Specialized
35 3.4

A unit for measuring engine or motor power equal to 746 watts

is usually used mainly for engines rather than for motors
H.P.
vshorsepower
  • Specialized
3.9

A measure of engine power used to show how strong a motor is

is the full unabbreviated name of the unit

Compounds

horsepower-hour
  • Specialized
7.7

Amount of work one horsepower does in one hour

How Powerful

horsepower
  • Specialized
68 3.7
engine
  • Specialized
1.0
manual labor
  • US
18 3.3

Surface Forms

horsepower singular
horsepowers plural

Morphology

horsepower = horse + power (semi-transparent) = horse + power

The components 'horse' and 'power' are identifiable, but the specialized technical meaning as a fixed unit (746 watts) is historical and not fully deducible from the parts alone.

Etymology

Horsepower comes from a simple idea: engineers compared a machine's work to that of a horse, an animal used to pull heavy loads. Power means 'strength' or 'ability to do work', so horsepower tells how strong an engine is, and one horsepower is about 746 watts.