Definitions

circuit board

[sur-kit bawrd] / ˈsɜr kɪt ˌbɔrd /

NOUN

printed circuit board

Synonyms

STRONGEST

motherboard

WEAK

board card circuit card

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The researchers produced the chip using established semiconductor techniques and mounted it on a custom circuit board.

From Science Daily • Apr. 2, 2026

The culprit was found to be an overheated circuit board at a facility in Virginia.

From The Wall Street Journal • Mar. 15, 2026

Li taught himself computer programming and learned how to design a circuit board.

From Barron's • Jan. 29, 2026

Now the retired director of photography is fielding orders for the BlueChirper after teaching himself how to make a circuit board that can emit the annoying sound and flash a blue light.

From Los Angeles Times • May 29, 2025

In shop, Yolanda has her head down low over her circuit board and doesn’t look up when I take my seat next to her.

From "A Good Kind of Trouble" by Lisa Moore Ramée