The Simple English Wikipedia has an article on: Horsepower Pronunciation (US) enPR: hôrsʹpou'ər, IPA (key): /ˈhɔrsˌpaʊɚ/ (UK) enPR: hôsʹpou'ə, IPA (key): /ˈhɔːsˌpaʊə/ Audio (US)(file) Noun Singular horsepower Plural horsepowers or horsepower Horsepower is an imperial unit of power equal to about 750 watts. Related words horse power Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads