circuit board

[ sur-kit bawrd ]

noun

1. Electronics. a sheet made up of layers of conductive and insulating material used for the mounting and interconnection, often by a printed circuit, of components in electronic equipment.
2. Computers. Also called card. a piece of fiberglass or other material upon which chips can be mounted to perform specific functions.

circuit board

noun

1. short for printed circuit board

circuit board

1. See printed circuit board

Word History and Origins

Origin of circuit board¹

First recorded in 1945–50

Example Sentences

Beginners usually start with a regulated model with a circuit board that prevents draws longer than 10 seconds.

From The Daily Beast

Tantalum helps you send text messages, tin is the solder on every circuit board and gold is the little connecting piece.

From The Daily Beast

To help others understand electricity better, draw a water system on an electric circuit board paralleling the circuit.

From Project Gutenberg

Using the Circuit Board, you can give many demonstrations of the way electricity flows, works and behaves.

From Project Gutenberg

He slid the blade under the plastic cover on its ass and revealed a little printed circuit board.

From Project Gutenberg

Related Words

• motherboard