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Pronunciation varies by accent · noun
A unit of electrical energy equal to the power of one watt in use for one hour; often used as a unit of electricity consumption. It is equal to 3600 joules..
Holonyms: kilowatt-hour < megawatt-hour < gigawatt-hour < terawatt-hour
Meronym: milliwatt-hour
Use watt-hour when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Watt-hour means A unit of electrical energy equal to the power of one watt in use for one hour; often used as a unit of electricity consumption. It is equal to 3600 joules..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Holonyms: kilowatt-hour < megawatt-hour < gigawatt-hour < terawatt-hour
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