horsepower

Từ điển Oxford Advanced Learner 8th

horse·power [horsepower] BrE [ˈhɔːspaʊə(r)] NAmE [ˈhɔːrspaʊər] noun countable, uncountable (pl. horse·power)(abbr.h.p.)
a unit for measuring the power of an engine
•a powerful car with a 170 horsepower engine