printed circuit board

[prin-tid sur-kit bawrd]

noun

Electronics.

1. a sheet made up of layers of conductive and insulating material onto which circuit components have been mounted and their interconnecting conductors have been printed or etched. PCB

printed circuit board

noun

1. Also called: printed circuit.  printed circuit card. an electronic circuit in which certain components and the connections between them are formed by etching a metallic coating or by electrodeposition on one or both sides of a thin insulating board

printed circuit board

1. A flat plastic or fiberglass board on which interconnected circuits and components are laminated or etched. Chips and other electronic components are mounted on the circuits. Computers consist of one or more printed circuit boards, usually called cards or adapters.

2. See more at motherboard

Word History and Origins

Origin of printed circuit board¹

First recorded in 1955–60

Related Words

• microchip 
• motherboard