- A measure of mechanical power equal to 550 ft-lb/s or 745.7 watts.
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horsepower — [hôrs′pou΄ər] n. [first adopted by WATT James] 1. the power exerted by a horse in pulling pl. horsepower 2. a basic unit of power in the FPS system, equal to the power needed to raise a weight of 550 pounds a distance of 1 foot in 1 second or a… … English World dictionary
horsepower — horse‧pow‧er [ˈhɔːsˌpaʊə ǁ ˈhɔːrsˌpaʊr] written abbreviation hp noun [countable, uncountable] a unit for measuring the power of an engine: • The test vehicle s horsepower was increased by 11% … Financial and business terms
horsepower — 1806, from HORSE (Cf. horse) + POWER (Cf. power); established by Watt as the power needed to lift 33,000 pounds one foot in one minute, which is actually about 1.5 times the power of a strong horse … Etymology dictionary
horsepower — ► NOUN (pl. same) ▪ an imperial unit of power equal to 550 foot pounds per second (about 750 watts), especially as a measurement of engine power … English terms dictionary
Horsepower — hp redirects here. For other uses, see HP (disambiguation). Horsepower (HP) is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts. Horsepower was originally defined to compare the… … Wikipedia
horsepower — /hawrs pow euhr/, n. 1. a foot pound second unit of power, equivalent to 550 foot pounds per second, or 745.7 watts. 2. Informal. the capacity to achieve or produce; strength or talent: The university s history faculty is noted for its… … Universalium
horsepower — (HP) A measurement of the engine s ability to perform work. One horsepower is defined as the ability to lift 33,000 pounds one foot in one minute. To find horsepower, the total rate of work in foot pounds accomplished is divided by 33,000. If a… … Dictionary of automotive terms
Horsepower — Einheit Norm Alte Maße und Gewichte Einheitenname Pferdestärke Einheitenzeichen PS Beschriebene Größe(n) Leistung Größensymbol(e) … Deutsch Wikipedia
horsepower — (hp) a unit of power representing the power exerted by a horse in pulling. The horsepower was defined by James Watt (1736 1819), the inventor of the steam engine, who determined after careful measurements that a horse is typically capable of a … Dictionary of units of measurement
horsepower — noun /ˈhɔː(r)spaʊə(r)/ a) A non metric unit of power (symbol hp) with various definitions, for different applications. The most common of them is probably the mechanical horsepower, approximately equal to 745.7 watts. political horsepower b) A… … Wiktionary
Horsepower — Horse|pow|er auch: Horse|po|wer 〈[hɔ:spaʊə(r)] f.; , ; ; in angelsächsischen Ländern〉 Einheit der Leistung, 1 h.p. = 1,013 PS = 745,7 W [engl., „Pferdestärke“] * * * Horse|po|w|er [ hɔ:spaʊə ], die; , [engl. horsepower, eigtl. = Pferdekraft]… … Universal-Lexikon