watt-hour

== English == === Etymology === From watt +‎ hour. === Noun === watt-hour (plural watt-hours) 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. Alternative forms: W·h, W h, Wh (symbols); watt hour, watthour Holonyms: kilowatt-hour < megawatt-hour < gigawatt-hour < terawatt-hour Meronym: milliwatt-hour ==== Translations ====