#megawatt  a unit of power equal to one million watts
  supertype:  power_unit__powerunit  a measure of electric power
  part:  kilowatt__kW__kw  a unit of power equal to 1000 watts
     part:  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
        part:  milliwatt  a unit of power equal to one thousandth of a watt
           part:  abwatt  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)

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