kilowatt-hour
[ kil-uh-wot-ouuh r, -ou-er ]
/ ˈkɪl əˌwɒtˈaʊər, -ˈaʊ ər /
noun
a unit of energy, equivalent to the energy transferred or expended in one hour by one kilowatt of power; approximately 1.34 horsepower-hours. Abbreviation: kWh, K.W.H., kwhr
Origin of kilowatt-hour
First recorded in 1890–95
Words nearby kilowatt-hour
kiloton,
kilovolt,
kilovolt-ampere,
kilovoltage,
kilowatt,
kilowatt-hour,
kilpatrick,
kilroy,
kilt,
kilt pleat,
kilted
Example sentences from the Web for kilowatt-hour
Buck Kendall was casting furtive glances at the kilowatt-hour meter.
The Ultimate Weapon |John Wood CampbellTen 100-watt light bulbs burning for one hour would use one kilowatt-hour—one kwh.
Electricity for the 4-H Scientist |Eric B. Wilson
British Dictionary definitions for kilowatt-hour
kilowatt-hour
noun
a unit of energy equal to the work done by a power of 1000 watts in one hour
Symbol: kWh
Scientific definitions for kilowatt-hour
kilowatt-hour
A unit used to measure energy, especially electrical energy in commercial applications. One kilowatt-hour is equal to one kilowatt of power produced or consumed over a period of one hour, or 3.6 X 106 joules.