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A long narrow socket in a computer into which an expansion card can be inserted.
(Computer Science) a physical electronic interface provided in a computer system to enable extra facilities to be added easily at a later date
a connection to which a new circuit board can be added to expand a computer's capabilities.
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|Noun||1.||expansion slot - (computer) a socket in a microcomputer that will accept a plug-in circuit board; "the PC had three slots for additional memory"|
computer, computing device, computing machine, data processor, electronic computer, information processing system - a machine for performing calculations automatically
receptacle - an electrical (or electronic) fitting that is connected to a source of power and equipped to receive an insert