circuit board


General English


  • noun an insulating board used to hold components which are then connected together electrically to form a circuit


  • A flat, rigid, and insulated panel upon which electrical components are mounted and connected via conductive paths. Used extensively in computers, where the main board is called the motherboard, and secondary boards are called expansion boards. Also called circuit card, card (2), or board (1).
  • synonymcard
  • synonymcircuit card