mo
ther
board
Plural
motherboards
1
(in electronic devices such as computers, etc.) the main printed circuit board that makes it possible for all the parts of a computer to communicate
- If the motherboard breaks, the whole computer may stop working.
- The technician replaced the damaged motherboard.
- The CPU and memory are attached to the motherboard.
- Dust on the motherboard can cause problems.
- The motherboard connects the hard drive, graphics card, and other parts.
Synonyms: