horsepower

Definitions

General English

General Science

  • noun a unit of power equal in the UK to 550 foot-pounds per second and in the USA to 745.7 watts.
  • abbreviationh.p.

Aviation

  • noun the accepted unit for measuring the rate of doing work

Construction

  • A unit measurement of power or energy in the United States Customary System. Mechanically, a single horsepower represents 550 foot-pounds per second. Electrically, a single horsepower represents 746 watts.

Electronics

  • A unit of power equal to approximately 745.6999 watts. Its abbreviation is hp.
http://www.dictionarycentral.com/definition/horsepower.html