watt-hour

Noun
  1. A unit of energy equal to the power of one watt operating for one hour (synset 113749443)
    is a type of: energy unit, heat unit, work unit - a unit of measurement for work
    is a part of: 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

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