power unit - a measure of electric powerabwatt - a power unit equal to the power dissipated when 1 abampere flows across a potential difference of 1 abvolt (one ten-thousandth of a milliwatt) milliwatt - a unit of power equal to one thousandth of a watt watt, W - a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm kilowatt, kW - a unit of power equal to 1000 watts megawatt - a unit of power equal to one million watts var, volt-ampere - a unit of electrical power in an AC circuit equal to the power dissipated when 1 volt produces a current of 1 ampere |