watt-second watt second • watusi · · · Info · Definitions · Synonyms · Characters · · watt-second · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second. Synonyms: joule, J, watt second. · · Noun Definition 1 Synonyms · · · joule · · Synonym 1 j · · Synonym 2 watt second · · Synonym 3 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 w latin small letter w U+0077