power supply



  • noun an electrical circuit that provides particular direct current voltage and current levels from an alternating current source for use in other electrical circuits


  • A source of power or electricity. For example, a power line or battery. Also called supply (2).
  • A source of power for electronic components, circuits, devices, equipment, or systems. Such sources include batteries and power packs. Also called electronic power supply, or supply (3).
  • synonympower source

Information & Library Science

  • noun a supply of electricity to a building or work site