kilowatt-hour kilovolt-ampere • kim-kam · · · Info · Definitions · Synonyms · Characters · · kilowatt-hour · · Text Common · · Latin · · Scripts 13 · · Length Definitions · · · (noun) a unit of energy equal to the work done by a power of 1000 watts operating for one hour. Synonyms: kilowatt hour, kW-hr, Board of Trade unit, B.T.U.. · · Noun Definition 1 Synonyms · · · kilowatt hour · · Synonym 1 kw-hr · · Synonym 2 board of trade unit · · Synonym 3 b.t.u. · · Synonym 4 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 w latin small letter w U+0077