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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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 Some boards have PCIe 5.0 expansion slots for graphics cards and other PCI Express cards, but no PCIe 5.0 slots for SSDs. PC Magazine, 14 May 2025 While some can be installed in traditional 2.5-inch or 3.5-inch hard drive bays, other models can be installed in a PCI Express expansion slot or even be mounted directly on the motherboard, a configuration that's now common in laptops and desktops. PC Magazine, 31 Mar. 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 29 Jul. 2025.

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