1. kilowatt hour, kW-hr, Board of Trade unit, B.T.U., work unit, heat unit, energy unit
usage: a unit of energy equal to the work done by a power of 1000 watts operating for one hour
Noun
1. kilowatt hour, kW-hr, Board of Trade unit, B.T.U., work unit, heat unit, energy unit
usage: a unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure; equivalent to 251.997 calories