watt-hour

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watt-hour

(wŏt′our′)
n. Abbr. WH or W-hr
A unit of energy, especially electrical energy, equal to the work done by one watt acting for one hour and equivalent to 3,600 joules.

watt-hour

n
(Units) a unit of energy equal to a power of one watt operating for one hour. 1 watt-hour equals 3600 joules

watt′-hour`

or watt′hour`,



n.
a unit of energy equal to the energy of one watt operating for one hour, equivalent to 3600 joules. Abbr.: Wh

watt-hour

A unit of power, especially electrical power, equal to the work done by one watt acting for one hour. It is equivalent to 3,600 joules.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.watt-hour - a unit of energy equal to the power of one watt operating for one hourwatt-hour - a unit of energy equal to the power of one watt operating for one hour
energy unit, heat unit, work unit - a unit of measurement for work
B.T.U., Board of Trade unit, kilowatt hour, kW-hr - a unit of energy equal to the work done by a power of 1000 watts operating for one hour
References in periodicals archive ?
Roughly speaking, each MWh of coal-fired electricity generation is associated with a tonne of carbon dioxide emissions, so a terawatt-hour corresponds to a million tonnes of CO2.
announced today that, under Mexico's first electricity power auction, the company has been awarded power purchase agreements with CFE, Mexico's state-owned electric utility, to deliver one terawatt-hour of energy, equivalent to approximately 500 megawatts, over the term of the agreements.
One terawatt-hour of electricity is enough to power 85,000 homes, and developing a small fraction of the available wave and tidal energy resource could allow for millions of American homes to be powered with this clean, reliable form of renewable energy.
5 million football fields in size could accommodate solar installations in the region and generate more than 19,000 terawatt-hours of energy per year without impinging on farmlands or protected areas.
Road transport While there will be some improvement from European power generation, gas won't become the preferred fuel in the sector as renewables are expected to climb by about 260 terawatt-hours in OECD Europe, according to estimates to be released in the medium-term renewable energy market report in August, the IEA said yesterday.
The restrictions are predicted to save 39 terawatt-hours of electricity across the EU annually by 2020.
was replaced with the 10-watt L Prize winner, the nation would save about 35 terawatt-hours of electricity or $3.
In 2010, lighting accounted for approximately 700 terawatt-hours (TWh), or roughly 19 percent of total U.
If every 60-watt incandescent bulb in the US was replaced with the 10-watt L Prize winner, the nation would save about 35 terawatt-hours of electricity or $3.
727-mile power cable to Scotland to transport as much as 18 terawatt-hours of geothermal and hydropower a year that's enough to fuel as many as 5 million European homes.
Power consumption is projected to reach 220 terawatt-hours per year by the end of the forecast period with a per capita consumption increase of nine per cent, said fair organizer Riyadh Exhibitions Company.