expansion slot

noun

: a socket on the motherboard of a computer into which an expansion card may be inserted

Examples of expansion slot in a Sentence

Recent Examples on the Web
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The sparkly flowers also offer expansion slot upgrades. Ollie Barder, Forbes.com, 20 Aug. 2025 On the other hand, there are plenty of versatile dongles out there with a variety of additional ports such as USB-A expansion slots, SD and microSD card readers and high-definition video outputs. Bestreviews, Mercury News, 22 July 2025 The top edge houses an expansion slot, which in this unit includes a serial port and an Ethernet jack. PC Magazine, 28 May 2025 The system has no fewer than nine PCI Express expansion slots versus consumer desktops' three or four. PCMAG, 17 Feb. 2025 See All Example Sentences for expansion slot

Word History

First Known Use

1980, in the meaning defined above

Time Traveler
The first known use of expansion slot was in 1980

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Cite this Entry

“Expansion slot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expansion%20slot. Accessed 9 Sep. 2025.

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