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horsepower

Syllabification: (horse·pow·er)
Pronunciation: /ˈhôrsˌpou(-ə)r/
(abbreviation: hp)
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Definition of horsepower

noun (plural same)

  • 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 engineSee also brake horsepower.

horsepower in other Oxford dictionaries

Definition of horsepower in the British & World English dictionary