1. (noun)
kilowatt hour, kW-hr, Board of Trade unit, B.T.U.
- a unit of energy equal to the work done by a power of 1000 watts operating for one hour Synonyms: kilowatt hour, kW-hr
2. (noun)
British thermal unit, BTU, B.Th.U.
- 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