noun Date: 1892 a unit of work or energy equal to that expended by one kilowatt in one hour or to 3.6 million joules
KILOWATT-HOUR
Meaning of KILOWATT-HOUR in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012