horsepower-hour
[ hawrs-pou-er-ouuh r, -ou-er ]
/ ˈhɔrsˌpaʊ ərˌaʊər, -ˌaʊ ər /
noun
a foot-pound-second unit of energy or work, equal to the work done by a mechanism with a power output of one horsepower over a period of one hour.
Origin of horsepower-hour
First recorded in 1895–1900
Words nearby horsepower-hour
horsemint,
horsens,
horseplay,
horseplayer,
horsepower,
horsepower-hour,
horsepox,
horseradish,
horseradish peroxidase,
horseradish tree,
horseshit
British Dictionary definitions for horsepower-hour
horsepower-hour
noun
an fps unit of work or energy equal to the work done by 1 horsepower in 1 hour. 1 horsepower-hour is equivalent to 2.686 × 10 6 joules