watt-hour

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watt-hour

[′wät ¦au̇r]
(electricity)
A unit of energy used in electrical measurements, equal to the energy converted or consumed at a rate of 1 watt during a period of 1 hour, or to 3600 joules. Abbreviated Wh.

watt-hour

A unit of work equal to 3,600 joules; equivalent to the power of 1 watt operating for a period of 1 hour.

watt-hour

The power utilization for one hour measured in watts. Abbreviated "Wh," it is widely used to rate how long it takes for a battery to discharge. For smaller batteries, a milliwatt-hour (mWh) rating is used. For example, a 500 mWh battery means it will release 500 watts at a specific voltage for one hour before it is discharged. See ampere-hour and watt.
References in periodicals archive ?
Conversely, households regularly consuming between 500 and 2000 kilowatt hours can expect to save anywhere from 0.
For instance, a household with an average electricity consumption of 560 kilowatt hours would save around 1 per cent.
Seven-hundred million kilowatt hours of electricity was purchased from abroad.
43 billion kilowatt hours and equates to over 85% of Intel's estimated purchased electricity needs in the US for 2011.
8 million kilowatt hours per year of clean solar energy.