motherboard

noun

moth·​er·​board ˈmə-t͟hər-ˌbȯrd How to pronounce motherboard (audio)
: the main circuit board especially of a microcomputer

Examples of motherboard in a Sentence

Recent Examples on the Web
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In a video simulating the self-destruct mechanism, Team Group showed the SSD can be installed on a PC motherboard. Michael Kan, PC Magazine, 11 July 2025 Gemma had secretly installed, ultimately destroying herself, AMELIA, and the motherboard. Allison Degrushe Published, EW.com, 27 June 2025 The group follows Amelia into a secret lair in Silicon Valley where the '80s motherboard is locked away. Keith Langston, People.com, 28 June 2025 Unfortunately, no motherboard manufacturer (so far, anyway) has been willing to put both DDR4 and DDR5 slots on the same motherboard. Michael Kan, PC Magazine, 27 June 2025 See All Example Sentences for motherboard

Word History

First Known Use

1971, in the meaning defined above

Time Traveler
The first known use of motherboard was in 1971

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Cite this Entry

“Motherboard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/motherboard. Accessed 19 Jul. 2025.

Kids Definition

motherboard

noun
moth·​er·​board ˈmət͟h-ər-ˌbō(ə)rd How to pronounce motherboard (audio)
-ˌbȯ(ə)rd
: the main circuit board especially of a personal computer

More from Merriam-Webster on motherboard

Last Updated: - Updated example sentences
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