General English

General Science

  • noun a device that converts mechanical energy into electrical energy, usually producing direct current

Cars & Driving

  • noun an electrical generator driven by the engine and producing direct current, to charge the battery and thus feed the electrical circuits


  • Abbreviation of dynamoelectric machine. A machine which converts mechanical energy into electrical energy. Such a machine is usually rotary, and may, for instance, utilize magnetic flux to convert angular displacement into electricity. Also called generator (2), or electric generator (1).